If you are unsure of your Unit Name or Number, please refer to the list below. You will find a listing of cities in Illinois and their corresponding zip codes, unit names and unit numbers. Use the appropriate unit in your selection.
| City | Zip Codes | Unit Name | Unit Number |
|---|---|---|---|
| Abingdon | 61410 | Knox Co. | 27 |
| Adair | 61411 | McDonugh Co. | 25 |
| Addieville | 62214 | Washington Co. | 78 |
| Addison | 60101 | DuPage Co. | 14 |
| Adrian | 62310 | Hancock Co. | 22 |
| Akin | 62805 | Franklin Co. | 80 |
| Albany | 61230 | Whiteside Co. | 5 |
| Albers | 62215 | Clinton Co. | 71 |
| Albion | 62806 | Wabash-Edwards Co. | 68 |
| Alden | 60001 | McHenry Co. | 13 |
| Aldeo | 61231 | Mercer Co. | 26 |
| Alexander | 62601 | Morgan-Scott Co. | 47 |
| Alexis | 61412 | Mercer Co. | 26 |
| Algonquin | 60102 | McHenry Co. | 13 |
| Alhambra | 62001 | Madison Co. II | 74 |
| Allendale | 62410 | Wabash-Edwards Co. | 68 |
| Allerton | 61810 | Vermilion Co. | 40 |
| Alma | 62807 | Marion Co. | 67 |
| Alpha | 61413 | Henry-Stark Co. | 24 |
| Alsey | 62610 | Morgan-Scott Co. | 47 |
| Alsip | 60803 | Southwest Suburban | 91 |
| Alta | 61608 | Peoria Area | 32 |
| Altamont | 62411 | Effingham Co. | 60 |
| Alto Pass | 62905 | Alexander-Pulaski-Union Co. | 79 |
| Alton | 62002 | Madison Co. I | 73 |
| Altona | 61414 | Knox Co. | 27 |
| Alvin | 61811 | Vermilion Co. | 40 |
| Amboy | 61310 | Ogle-Lee Co. | 3 |
| Anchor | 61720 | McLean Co. | 39 |
| Anchor | 61720 | Ford Co. | 36 |
| Ancona | 61311 | Livingston Co. | 38 |
| Andalusia | 61232 | Blackhawk | 21 |
| Andover | 61233 | Henry-Stark Co. | 24 |
| Anna | 62906 | Alexander-Pulaski-Union Co. | 79 |
| Annapolis | 62413 | Crawford Co. | 56 |
| Annawan | 61234 | Henry-Stark Co. | 24 |
| Antioch | 60002 | Lake Co. | 11 |
| Apple River | 61001 | Jo Daviess Co. | 2 |
| Arcola | 61910 | Douglas Co. | 58 |
| Arenzville | 62611 | Cass Co. | 98 |
| Argenta | 62501 | Decatur Area | 49 |
| Arlington | 61312 | Bureau Co. | 29 |
| Arlington Hgts | 60004, 60005, 60006 |
Northwest Suburban | 90 |
| Armington | 61721 | Tazewell Co. | 33 |
| Armstrong | 61812 | Vermilion Co. | 40 |
| Aroma Park | 60910 | Kankakee Co. | 17 |
| Arrowsmith | 61722 | McLean Co. | 39 |
| Arthur | 61911 | Douglas Co. | 58 |
| Ashkum | 60911 | Iroquois Co. | 37 |
| Ashland | 62612 | Cass Co. | 98 |
| Ashley | 62808 | Washington Co. | 78 |
| Ashmore | 61912 | Coles Co. | 55 |
| Ashton | 61006 | Ogle-Lee Co. | 3 |
| Assumption | 62510 | Christian Co. | 48 |
| Astoria | 61501 | Fulton Co. | 30 |
| Athens | 62613 | Land of Lincoln | 43 |
| Atkinson | 61235 | Henry-Stark Co. | 24 |
| Atlanta | 61723 | DeWitt-Logan Co. | 50 |
| Atwater | 62511 | Macoupin Co. | 44 |
| Atwood | 61913 | Douglas Co. | 58 |
| Auburn | 62615 | Land of Lincoln | 43 |
| Auburn Park | 60620 | City of Chicago | 99 |
| Augusta | 62311 | Hancock Co. | 22 |
| Aurora | 60506, 60507, 60568 |
Aurora Area | 7 |
| Austin | 60644 | City of Chicago | 99 |
| Austin View | 60463 | Southwest Suburban | 91 |
| Ava | 62907 | Jackson Co. | 82 |
| Aviston | 62216 | Clinton Co. | 71 |
| Avon | 61415 | Fulton Co. | 30 |
| Baileyville | 61007 | Ogle-Lee Co. | 3 |
| Baldwin | 62217 | Randolph Co. | 76 |
| Bardolph | 61416 | McDonugh Co. | 25 |
| Barnhill | 62809 | Wayne Co. | 69 |
| Barrington | 60010, 60011 |
Lake Co. | 11 |
| Barry | 62312 | Pike-Calhoun Co. | 45 |
| Barstow | 61236 | Blackhawk | 21 |
| Bartelson | 62218 | Clinton Co. | 71 |
| Bartlett | 60103 | DuPage Co. | 14 |
| Bartonville | 61607 | Peoria Area | 32 |
| Basco | 62313 | Hancock Co. | 22 |
| Batavia | 60510 | Aurora Area | 7 |
| Batchtown | 62006 | Pike-Calhoun Co. | 45 |
| Bath | 62617 | Mason Co. | 31 |
| Bay Colony | 60017 | Northwest Suburban | 90 |
| Baylis | 62314 | Pike-Calhoun Co. | 45 |
| Beach Park | 60099 | Lake Co. | 11 |
| Beardstown | 62618 | Cass Co. | 98 |
| Beason | 62512 | DeWitt-Logan Co. | 50 |
| Beaver Valley | 60462 | Southwest Suburban | 91 |
| Beaverville | 60912 | Iroquois Co. | 37 |
| Beckemeyer | 62219 | Clinton Co. | 71 |
| Bedford Park | 60499 | Southwest Suburban | 91 |
| Beecher | 60401 | South Suburban | 19 |
| Beecher City | 62414 | Effingham Co. | 60 |
| Belknap | 62908 | Johnson Co. | 88 |
| Belknap | 62908 | Massac Co. | 83 |
| Belle River | 62810 | Jefferson Co. | 66 |
| Belleview | 61604 | Peoria Area | 32 |
| Belleville | 62220, 62221, 62222, 62223 |
St. Clair Co. | 77 |
| Bellflower | 61724 | McLean Co. | 39 |
| Bellmont | 62811 | Wabash-Edwards Co. | 68 |
| Bellwood | 60104 | West Lake Shore Co. | 20 |
| Belvidere | 61008 | Boone Co. | 57 |
| Bement | 61813 | Piatt Co. | 92 |
| Benld | 62009 | Macoupin Co. | 44 |
| Bensenville | 60106 | DuPage Co. | 14 |
| Benson | 61516 | Woodford Co. | 34 |
| Benton | 62812 | Franklin Co. | 80 |
| Berkeley | 60163 | West Lake Shore Co. | 20 |
| Berwick | 61417 | Warren Co. | 28 |
| Berwyn | 60402 | West Lake Shore Co. | 20 |
| Bethalto | 62010 | Madison Co. II | 74 |
| Bethany | 61914 | Moultrie Co. | 52 |
| Bible Grove | 62813 | Clay Co. | 64 |
| Big Rock | 60511 | Aurora Area | 7 |
| Biggsville | 61418 | Henderson Co. | 23 |
| Bingham | 62011 | Fayette Co. | 72 |
| Birds | 62415 | Lawrence Co. | 62 |
| Bishop Hill | 61419 | Henry-Stark Co. | 24 |
| Bismarck | 61814 | Vermilion Co. | 40 |
| Blackstone | 61313 | Livingston Co. | 38 |
| Blandinsville | 61420 | McDonugh Co. | 25 |
| Bloomingdale | 60108, 60117 |
DuPage Co. | 14 |
| Bloomington | 61701, 61702, 61704, 61709, 61710 |
McLean Co. | 39 |
| Blue Island | 60406 | Southwest Suburban | 91 |
| Blue Mound | 62513 | Decatur Area | 49 |
| Bluff Springs | 62622 | Cass Co. | 98 |
| Bluffs | 62621 | Morgan-Scott Co. | 47 |
| Bluford | 62814 | Jefferson Co. | 66 |
| Boles | 62909 | Johnson Co. | 88 |
| Bolingbrook | 60440 | Joliet Area | 16 |
| Bondville | 61815 | Champaign Co. | 35 |
| Bone Gap | 62815 | Wabash-Edwards Co. | 68 |
| Bonfield | 60913 | Kankakee Co. | 17 |
| Bonnie | 62816 | Jefferson Co. | 66 |
| Boody | 62514 | Decatur Area | 49 |
| Bourbonnais | 60914 | Kankakee Co. | 17 |
| Bowen | 62316 | Hancock Co. | 22 |
| Braceville | 60407 | Grundy Co. | 9 |
| Bradford | 61421 | Henry-Stark Co. | 24 |
| Bradley | 60915 | Kankakee Co. | 17 |
| Braidwood | 60408 | Grundy Co. | 9 |
| Breese | 62230 | Clinton Co. | 71 |
| Bridgeport | 62417 | Lawrence Co. | 62 |
| Bridgeview | 60455 | Southwest Suburban | 91 |
| Brighton | 62012 | Macoupin Co. | 44 |
| Brimfield | 61517 | Peoria Area | 32 |
| Bristol | 60512 | Kendall Co. | 10 |
| Broadlands | 61816 | Champaign Co. | 35 |
| Broadview | 60155 | West Lake Shore Co. | 20 |
| Broadway | 61106 | Winnebago Co. | 6 |
| Broadwell | 62623 | DeWitt-Logan Co. | 50 |
| Brocton | 61917 | Edgar Co. | 59 |
| Brookfield | 60513 | West Lake Shore Co. | 20 |
| Brooklyn | 62317 | St. Clair Co. | 77 |
| Brookport | 62910 | Massac Co. | 83 |
| Broughton | 62817 | Hamilton Co. | 65 |
| Brownfield | 62911 | Pope-Hardin Co. | 85 |
| Browning | 62624 | Schuyler-Brown Co. | 46 |
| Browns | 62818 | Wabash-Edwards Co. | 68 |
| Brownstown | 62418 | Fayette Co. | 72 |
| Brussels | 62013 | Pike-Calhoun Co. | 45 |
| Bryant | 61519 | Fulton Co. | 30 |
| Buckingham | 60917 | Kankakee Co. | 17 |
| Buckley | 60918 | Iroquois Co. | 37 |
| Buckner | 62819 | Franklin Co. | 80 |
| Buda | 61314 | Bureau Co. | 29 |
| Buffalo | 62515 | Land of Lincoln | 43 |
| Buffalo Grove | 60090 | Northwest Suburban | 90 |
| Buffalo Prairie | 61237 | Blackhawk | 21 |
| Bulpitt | 62517 | Christian Co. | 48 |
| Buncombe | 62912 | Johnson Co. | 88 |
| Bunham | 60633 | South Suburban | 19 |
| Bunker Hill | 62014 | Macoupin Co. | 44 |
| Burbank | 60459 | Southwest Suburban | 91 |
| Bureau | 61315 | Bureau Co. | 29 |
| Burlington | 60109 | Aurora Area | 7 |
| Burnham | 60633 | South Suburban | 19 |
| Burnside | 62318 | Hancock Co. | 22 |
| Burnt Prairie | 62820 | White Co. | 87 |
| Burr Ridge | 60521 | DuPage Co. | 14 |
| Bushnell | 61422 | McDonugh Co. | 25 |
| Butler | 62015 | Montgomery Co. | 51 |
| Byron | 61010 | Ogle-Lee Co. | 3 |
| Cabery | 60919 | Kankakee Co. | 17 |
| Cache | 62913 | Alexander-Pulaski-Union Co. | 79 |
| Cairo | 62914 | Alexander-Pulaski-Union Co. | 79 |
| Caledonia | 61011 | Boone Co. | 57 |
| Calhoun | 62419 | Richland Co. | 63 |
| Calumet City | 60409 | South Suburban | 19 |
| Calumet Park | 60643 | South Suburban | 19 |
| Camargo | 61919 | Douglas Co. | 58 |
| Cambria | 62915 | Williamson Co. | 86 |
| Cambridge | 61238 | Henry-Stark Co. | 24 |
| Camden | 62319 | Schuyler-Brown Co. | 46 |
| Cameron | 61423 | Warren Co. | 28 |
| Camp Grove | 61424 | Marshall Putnam Co. | 97 |
| Camp Point | 62320 | Adams Co. | 41 |
| Campbell Hill | 62916 | Jackson Co. | 82 |
| Campgrove | 61424 | Marshall Putnam Co. | 97 |
| Campus | 60920 | Livingston Co. | 38 |
| Canton | 61520 | Fulton Co. | 30 |
| Cantrall | 62625 | Land of Lincoln | 43 |
| Capron | 61012 | Boone Co. | 57 |
| Carbon Cliff | 61239 | Blackhawk | 21 |
| Carbondale | 62901, 62902, 62903 |
Jackson Co. | 82 |
| Carlinville | 62626 | Macoupin Co. | 44 |
| Carlock | 61725 | McLean Co. | 39 |
| Carlyle | 62231 | Clinton Co. | 71 |
| Carman | 61425 | Henderson Co. | 23 |
| Carmi | 62821 | White Co. | 87 |
| Carol Stream | 60116, 60125, 60128, 60132 |
DuPage Co. | 14 |
| Carpentersville | 60110 | Elgin Area | 15 |
| Carrier Mills | 62917 | Gallatin-Saline Co. | 81 |
| Carrolton | 62016 | Greene-Jersey Co. | 42 |
| Carterville | 62918 | Williamson Co. | 86 |
| Carthage | 62321 | Hancock Co. | 22 |
| Cartter | 62853 | Marion Co. | 67 |
| Cary | 60013 | McHenry Co. | 13 |
| Casey | 62420 | Clark Co. | 54 |
| Caseyville | 62232 | St. Clair Co. | 77 |
| Castleton | 61426 | Henry-Stark Co. | 24 |
| Catlin | 61817 | Vermilion Co. | 40 |
| Cave-in-Rock | 62919 | Pope-Hardin Co. | 85 |
| Cazenovia | 61522 | Woodford Co. | 34 |
| Cedar Point | 61316 | LaSalle Co. | 12 |
| Cedarville | 61013 | Stephenson Co. | 4 |
| Centralia | 62801 | Marion Co. | 67 |
| Centreville | 62206 | St. Clair Co. | 77 |
| Cerro Gordo | 61818 | Piatt Co. | 92 |
| Chadwick | 61014 | Carroll Co. | 1 |
| Chambersburg | 62323 | Pike-Calhoun Co. | 45 |
| Champaign | 61820, 61821, 61822, 61824, 61825, 61826 |
Champaign Co. | 35 |
| Chana | 61015 | Ogle-Lee Co. | 3 |
| Chandlerville | 62627 | Cass Co. | 98 |
| Channahon | 60410 | Joliet Area | 16 |
| Chapin | 62628 | Morgan-Scott Co. | 47 |
| Charleston | 61920 | Coles Co. | 55 |
| Chatham | 62629 | Land of Lincoln | 43 |
| Chatsworth | 60921 | Livingston Co. | 38 |
| Chebanse | 60922 | Kankakee Co. | 17 |
| Chenoa | 61726 | McLean Co. | 39 |
| Cherry | 61317 | Bureau Co. | 29 |
| Cherry Valley | 61016 | Winnebago Co. | 6 |
| Chester | 62233 | Randolph Co. | 76 |
| Chesterfield | 62630 | Macoupin Co. | 44 |
| Chestnut | 62518 | DeWitt-Logan Co. | 50 |
| Chicago | NA | City of Chicago | 99 |
| Chicago Hgts | 60411, 60412 |
South Suburban | 19 |
| Chicago Lawn | 60629 | City of Chicago | 99 |
| Chicago Ridge | 60415 | Southwest Suburban | 91 |
| Chillicothe | 61523 | Peoria Area | 32 |
| Chrisman | 61924 | Edgar Co. | 59 |
| Christopher | 62822 | Franklin Co. | 80 |
| Cicero | 60804 | West Lake Shore Co. | 20 |
| Cisco | 61830 | Piatt Co. | 92 |
| Cisne | 62823 | Wayne Co. | 69 |
| Cissna Park | 60924 | Iroquois Co. | 37 |
| Clare | 60111 | DeKalb Co. | 8 |
| Claremont | 62421 | Richland Co. | 63 |
| Clarence | 60925 | Ford Co. | 36 |
| Clarendon Hills | 60514 | DuPage Co. | 14 |
| Clay City | 62824 | Clay Co. | 64 |
| Clayton | 62324 | Adams Co. | 41 |
| Claytonville | 60926 | Iroquois Co. | 37 |
| Clifton | 60927 | Iroquois Co. | 37 |
| Clinton | 61727 | DeWitt-Logan Co. | 50 |
| Coal City | 60416 | Grundy Co. | 9 |
| Coal Valley | 61240 | Blackhawk | 21 |
| Coatsburg | 62325 | Adams Co. | 41 |
| Cobden | 62920 | Alexander-Pulaski-Union Co. | 79 |
| Coello | 62825 | Franklin Co. | 80 |
| Coffeen | 62017 | Montgomery Co. | 51 |
| Colchester | 62326 | McDonugh Co. | 25 |
| Coleta | 61017 | Whiteside Co. | 5 |
| Colfax | 61728 | McLean Co. | 39 |
| Collinsville | 62234 | Madison Co. III | 75 |
| Collison | 61831 | Vermilion Co. | 40 |
| Colmar | 62327 | McDonugh Co. | 25 |
| Colona | 61241 | Henry-Stark Co. | 24 |
| Colp | 62921 | Williamson Co. | 86 |
| Columbia | 62236 | Monroe Co. | 89 |
| Columbus | 62328 | Adams Co. | 41 |
| Colusa | 62329 | Hancock Co. | 22 |
| Compton | 61318 | Ogle-Lee Co. | 3 |
| Concord | 62631 | Morgan-Scott Co. | 47 |
| Congerville | 61729 | Woodford Co. | 34 |
| Cooksville | 61730 | McLean Co. | 39 |
| Cordova | 61242 | Blackhawk | 21 |
| Cornell | 61319 | Livingston Co. | 38 |
| Cornland | 62519 | DeWitt-Logan Co. | 50 |
| Cortland | 60112 | DeKalb Co. | 8 |
| Cottage Hills | 62018 | Madison Co. II | 74 |
| Coulterville | 62237 | Randolph Co. | 76 |
| Country Club Hills | 60478 | South Suburban | 19 |
| Countryside | 60525 | West Lake Shore Co. | 20 |
| Cowden | 62422 | Shelby Co. | 53 |
| Cragin | 60639 | City of Chicago | 99 |
| Creal Springs | 62922 | Williamson Co. | 86 |
| Crescent City | 60928 | Iroquois Co. | 37 |
| Crest Hill | 60435 | Joliet Area | 16 |
| Creston | 60113 | Ogle-Lee Co. | 3 |
| Crestwood | 60445 | Southwest Suburban | 91 |
| Crete | 60417 | South Suburban | 19 |
| Creve Coeur | 61610 | Tazewell Co. | 33 |
| Cropsey | 61731 | McLean Co. | 39 |
| Crossville | 62827 | White Co. | 87 |
| Crystal Lake | 60012, 60014, 60039 |
McHenry Co. | 13 |
| Cuba | 61427 | Fulton Co. | 30 |
| Cullom | 60929 | Livingston Co. | 38 |
| Custer Park | 60418 | Joliet Area | 16 |
| Cutler | 62238 | Perry Co. | 84 |
| Cypress | 62923 | Johnson Co. | 88 |
| Dahinda | 61428 | Knox Co. | 27 |
| Dahlgren | 62828 | Hamilton Co. | 65 |
| Dakota | 61018 | Stephenson Co. | 4 |
| Dale | 62829 | Hamilton Co. | 65 |
| Dallas City | 62330 | Hancock Co. | 22 |
| Dalton City | 61925 | Decatur Area | 49 |
| Dalzell | 61320 | Bureau Co. | 29 |
| Dana | 61321 | LaSalle Co. | 12 |
| Danforth | 60930 | Iroquois Co. | 37 |
| Danvers | 61732 | McLean Co. | 39 |
| Danville | 61832, 61834 |
Vermilion Co. | 40 |
| Darien | 60559 | DuPage Co. | 14 |
| Davis | 61019 | Stephenson Co. | 4 |
| Davis Junction | 61020 | Ogle-Lee Co. | 3 |
| Dawson | 62520 | Land of Lincoln | 43 |
| Decatur | 62521, 62522, 62523, 62524, 62525, 62526 |
Decatur Area | 49 |
| Deer Creek | 61733 | Tazewell Co. | 33 |
| Deer Grove | 61243 | Whiteside Co. | 5 |
| Deerfield | 60015 | Lake Co. | 11 |
| DeKalb | 60115 | DeKalb Co. | 8 |
| DeLand | 61839 | Piatt Co. | 92 |
| Delavan | 61734 | Tazewell Co. | 33 |
| Dennison | 62423 | Clark Co. | 54 |
| DePue | 61322 | Bureau Co. | 29 |
| Des Plaines | 60016, 60017, 60018 |
Northwest Suburban | 90 |
| DeSoto | 62924 | Jackson Co. | 82 |
| Detroit | 62332 | Pike-Calhoun Co. | 45 |
| Dewey | 61840 | Champaign Co. | 35 |
| DeWitt | 61735 | DeWitt-Logan Co. | 50 |
| Dieterich | 62424 | Effingham Co. | 60 |
| Divernon | 62530 | Land of Lincoln | 43 |
| Dix | 62830 | Jefferson Co. | 66 |
| Dixon | 61021 | Ogle-Lee Co. | 3 |
| Dolton | 60419 | South Suburban | 19 |
| Donfola | 62926 | Alexander-Pulaski-Union Co. | 79 |
| Donnellson | 62019 | Montgomery Co. | 51 |
| Donovan | 60931 | Iroquois Co. | 37 |
| Dorchester | 62020 | Macoupin Co. | 44 |
| Dorsey | 62021 | Madison Co. I | 73 |
| Dover | 61323 | Bureau Co. | 29 |
| Dow | 62022 | Greene-Jersey Co. | 42 |
| Dowell | 62927 | Jackson Co. | 82 |
| Downers Grove | 60515, 60517 |
DuPage Co. | 14 |
| Downey | 60064 | Lake Co. | 11 |
| Downs | 61736 | McLean Co. | 39 |
| Du Bois | 62831 | Washington Co. | 78 |
| Du Quoin | 62832 | Perry Co. | 84 |
| Dundas | 62425 | Richland Co. | 63 |
| Dundee | 60118 | Elgin Area | 15 |
| Dunfermline | 61524 | Fulton Co. | 30 |
| Dunlap | 61525 | Peoria Area | 32 |
| Dunndas | 62425 | Richland Co. | 63 |
| Dunning | 60634 | City of Chicago | 99 |
| Dupo | 62239 | St. Clair Co. | 77 |
| Durand | 61024 | Winnebago Co. | 6 |
| Dwight | 60420 | Livingston Co. | 38 |
| E. Alton | 62024 | Madison Co. II | 74 |
| E. Carondelet | 62240 | St. Clair Co. | 77 |
| E. DuBuque | 61025 | Jo Daviess Co. | 2 |
| E. Galesburg | 61430 | Knox Co. | 27 |
| E. Lynn | 60932 | Vermilion Co. | 40 |
| E. Moline | 61244 | Blackhawk | 21 |
| E. Peoria | 61611 | Tazewell Co. | 33 |
| E. St. Louis | 62201, 62202, 62203, 62204, 62205, 62206, 62207 |
St. Clair Co. | 77 |
| Eagarville | 62023 | Macoupin Co. | 44 |
| Earlville | 60518 | LaSalle Co. | 12 |
| Easton | 62633 | Mason Co. | 31 |
| Eddyville | 62928 | Pope-Hardin Co. | 85 |
| Edelstein | 61526 | Peoria Area | 32 |
| Edgebrook | 60646 | City of Chicago | 99 |
| Edgemont | 62203 | St. Clair Co. | 77 |
| Edgewood | 62426 | Effingham Co. | 60 |
| Edinburg | 62531 | Christian Co. | 48 |
| Edwards | 61528 | Peoria Area | 32 |
| Edwardsville | 62025, 62026 |
Madison Co. II | 74 |
| Effingham | 62401 | Effingham Co. | 60 |
| Egan | 61026 | Ogle-Lee Co. | 3 |
| El Paso | 61738 | Woodford Co. | 34 |
| Elburn | 60119 | Aurora Area | 7 |
| Elco | 62929 | Alexander-Pulaski-Union Co. | 79 |
| Eldena | 61324 | Ogle-Lee Co. | 3 |
| Eldorado | 62930 | Gallatin-Saline Co. | 81 |
| Eldred | 62027 | Greene-Jersey Co. | 42 |
| Eleroy | 61027 | Stephenson Co. | 4 |
| Elgin | 60120, 60121, 60123 |
Elgin Area | 15 |
| Elizabeth | 61028 | Jo Daviess Co. | 2 |
| Elizabethtown | 62931 | Pope-Hardin Co. | 85 |
| Elk Grove Village | 60007, 60009 |
Northwest Suburban | 90 |
| Elkhart | 62634 | DeWitt-Logan Co. | 50 |
| Elkville | 62932 | Jackson Co. | 82 |
| Ellery | 62833 | Wabash-Edwards Co. | 68 |
| Elliott | 60933 | Ford Co. | 36 |
| Ellis Grove | 62241 | Randolph Co. | 76 |
| Ellisville | 61431 | Fulton Co. | 30 |
| Ellsworth | 61737 | McLean Co. | 39 |
| Elmhurst | 60126 | DuPage Co. | 14 |
| Elmwood | 61529 | Peoria Area | 32 |
| Elmwood Park | 60707 | West Lake Shore Co. | 20 |
| Elsah | 62028 | Greene-Jersey Co. | 42 |
| Elsdon | 60632 | City of Chicago | 99 |
| Elvaston | 62334 | Hancock Co. | 22 |
| Elwin | 62532 | Decatur Area | 49 |
| Elwood | 60421 | Joliet Area | 16 |
| Emden | 62635 | DeWitt-Logan Co. | 50 |
| Emington | 60934 | Livingston Co. | 38 |
| Emma | 62834 | White Co. | 87 |
| Energy | 62933 | Williamson Co. | 86 |
| Enfield | 62835 | White Co. | 87 |
| Englewood | 60621 | City of Chicago | 99 |
| Eola | 60519 | DuPage Co. | 14 |
| Equality | 62934 | Gallatin-Saline Co. | 81 |
| Erie | 61250 | Whiteside Co. | 5 |
| Esmond | 60129 | DeKalb Co. | 8 |
| Essex | 60935 | Kankakee Co. | 17 |
| Eureka | 61530 | Woodford Co. | 34 |
| Evanston | 60201, 60202, 60203, 60204, 60208, 60209 |
North Lake Shore | 18 |
| Evansville | 62242 | Randolph Co. | 76 |
| Evergreen Park | 60805 | Southwest Suburban | 91 |
| Ewing | 62836 | Franklin Co. | 80 |
| Fairbury | 61739 | Livingston Co. | 38 |
| Fairfield | 62837 | Wayne Co. | 69 |
| Fairmont | 61841 | Vermilion Co. | 40 |
| Fairview | 61432 | Fulton Co. | 30 |
| Fairview Hgts | 62208 | St. Clair Co. | 77 |
| Fancy Prairie | 62637 | Land of Lincoln | 43 |
| Farina | 62838 | Fayette Co. | 72 |
| Farmer City | 61842 | DeWitt-Logan Co. | 50 |
| Farmersville | 62533 | Montgomery Co. | 51 |
| Farmington | 61531 | Fulton Co. | 30 |
| Fayetteville | 62258 | St. Clair Co. | 77 |
| Fenton | 61251 | Whiteside Co. | 5 |
| Ferris | 62336 | Hancock Co. | 22 |
| Fiatt | 61433 | Fulton Co. | 30 |
| Fidelity | 62030 | Greene-Jersey Co. | 42 |
| Fieldon | 62031 | Greene-Jersey Co. | 42 |
| Fillmore | 62032 | Montgomery Co. | 51 |
| Findlay | 62534 | Shelby Co. | 53 |
| Fireworks | 62207 | St. Clair Co. | 77 |
| Fisher | 61843 | Champaign Co. | 35 |
| Fithian | 61844 | Vermilion Co. | 40 |
| Flanagan | 61740 | Livingston Co. | 38 |
| Flat Rock | 62427 | Crawford Co. | 56 |
| Flora | 62839 | Clay Co. | 64 |
| Flossmoor | 60422 | South Suburban | 19 |
| Foosland | 61845 | Champaign Co. | 35 |
| Forest City | 61532 | Mason Co. | 31 |
| Forest Park | 60130 | West Lake Shore Co. | 20 |
| Forrest | 61741 | Livingston Co. | 38 |
| Forreston | 61030 | Ogle-Lee Co. | 3 |
| Forsyth | 62535 | Decatur Area | 49 |
| Fort Dearborn | 60611 | City of Chicago | 99 |
| Fowler | 62338 | Adams Co. | 41 |
| Fox Lake | 60020 | Lake Co. | 11 |
| Fox River Grove | 60021 | McHenry Co. | 13 |
| Frankfort | 60423 | Joliet Area | 16 |
| Frankfort Hgts | 62840 | Franklin Co. | 80 |
| Franklin | 62638 | Morgan-Scott Co. | 47 |
| Franklin Grove | 61031 | Ogle-Lee Co. | 3 |
| Franklin Park | 60131 | West Lake Shore Co. | 20 |
| Frederick | 62639 | Schuyler-Brown Co. | 46 |
| Freeburg | 62243 | St. Clair Co. | 77 |
| Freeman Spur | 62841 | Williamson Co. | 86 |
| Freeport | 61032 | Stephenson Co. | 4 |
| Ft. Sheridan | 60037 | Lake Co. | 11 |
| Fulton | 61252 | Whiteside Co. | 5 |
| Fults | 62244 | Monroe Co. | 89 |
| Galatia | 62935 | Gallatin-Saline Co. | 81 |
| Gale | 62936 | Alexander-Pulaski-Union Co. | 79 |
| Galena | 61036 | Jo Daviess Co. | 2 |
| Galesburg | 61401, 61402 |
Knox Co. | 27 |
| Galt | 61037 | Whiteside Co. | 5 |
| Galva | 61434 | Henry-Stark Co. | 24 |
| Garden Homes | 62655 | Southwest Suburban | 91 |
| Garden Prairie | 61038 | Boone Co. | 57 |
| Gardner | 60424 | Grundy Co. | 9 |
| Garfield Park | 60624 | City of Chicago | 99 |
| Gays | 61928 | Moultrie Co. | 52 |
| Geff | 62842 | Wayne Co. | 69 |
| Geneseo | 61254 | Henry-Stark Co. | 24 |
| Geneseo | 61254 | Henry-Stark Co. | 24 |
| Geneva | 60134 | Aurora Area | 7 |
| Genoa | 60135 | DeKalb Co. | 8 |
| Georgetown | 61846 | Vermilion Co. | 40 |
| Gerlaw | 61435 | Warren Co. | 28 |
| German Valley | 61039 | Stephenson Co. | 4 |
| Germantown | 62245 | Clinton Co. | 71 |
| Gibson City | 60936 | Ford Co. | 36 |
| Gifford | 61847 | Champaign Co. | 35 |
| Gilberts | 60136 | Elgin Area | 15 |
| Gillespie | 62033 | Macoupin Co. | 44 |
| Gilman | 60938 | Iroquois Co. | 37 |
| Gilson | 61436 | Knox Co. | 27 |
| Girard | 62640 | Macoupin Co. | 44 |
| Gladstone | 61437 | Henderson Co. | 23 |
| Glasford | 61533 | Peoria Area | 32 |
| Glen Carbon | 62034 | Madison Co. II | 74 |
| Glen Ellyn | 60137, 60138 |
DuPage Co. | 14 |
| Glenarm | 62536 | Land of Lincoln | 43 |
| Glencoe | 60022 | North Lake Shore | 18 |
| Glendale | 62937 | Pope-Hardin Co. | 85 |
| Glendale Hgts | 60139 | DuPage Co. | 14 |
| Glenview | 60025, 60026 |
North Lake Shore | 18 |
| Glenwood | 60425 | South Suburban | 19 |
| Godfrey | 62035 | Madison Co. I | 73 |
| Golconda | 62938 | Pope-Hardin Co. | 85 |
| Golden | 62339 | Adams Co. | 41 |
| Golden Eagle | 62036 | Pike-Calhoun Co. | 45 |
| Golden Gate | 62843 | Wayne Co. | 69 |
| Golf | 60029 | North Lake Shore | 18 |
| Good Hope | 61438 | McDonugh Co. | 25 |
| Goodfield | 61742 | Woodford Co. | 34 |
| Goodwine | 60939 | Iroquois Co. | 37 |
| Goreville | 62939 | Johnson Co. | 88 |
| Gorham | 62940 | Jackson Co. | 82 |
| Grafton | 62037 | Greene-Jersey Co. | 42 |
| Grand Chain | 62941 | Alexander-Pulaski-Union Co. | 79 |
| Grand Crossing | 60619 | City of Chicago | 99 |
| Grand Ridge | 61325 | LaSalle Co. | 12 |
| Grand Tower | 62942 | Jackson Co. | 82 |
| Granite City | 62040 | Madison Co. III | 75 |
| Grant Park | 60940 | Kankakee Co. | 17 |
| Grantsburg | 62943 | Johnson Co. | 88 |
| Granville | 61326 | Marshall Putnam Co. | 97 |
| Graymont | 61743 | Livingston Co. | 38 |
| Grayslake | 60030 | Lake Co. | 11 |
| Grayville | 62844 | White Co. | 87 |
| Great Lakes | 60088 | Lake Co. | 11 |
| Green Oaks | 60048 | Lake Co. | 11 |
| Green Valley | 61534 | Tazewell Co. | 33 |
| Greenfield | 62044 | Greene-Jersey Co. | 42 |
| Greenup | 62428 | Cumberland Co. | 100 |
| Greenview | 62642 | Land of Lincoln | 43 |
| Greenville | 62246 | Bond Co. | 70 |
| Gridley | 61744 | McLean Co. | 39 |
| Griggsville | 62340 | Pike-Calhoun Co. | 45 |
| Groveland | 61535 | Tazewell Co. | 33 |
| Gurnee | 60031 | Lake Co. | 11 |
| Hagarstown | 62247 | Fayette Co. | 72 |
| Haldane | 61040 | Ogle-Lee Co. | 3 |
| Hamburg | 62045 | Pike-Calhoun Co. | 45 |
| Hamel | 62046 | Madison Co. II | 74 |
| Hamilton | 62341 | Hancock Co. | 22 |
| Hamletsburg | 62944 | Pope-Hardin Co. | 85 |
| Hammond | 61929 | Piatt Co. | 92 |
| Hampshire | 60140 | Elgin Area | 15 |
| Hampton | 61256 | Blackhawk | 21 |
| Hanna City | 61536 | Peoria Area | 32 |
| Hanover | 61041 | Jo Daviess Co. | 2 |
| Hanover Park | 60133 | Northwest Suburban | 90 |
| Harco | 62945 | Gallatin-Saline Co. | 81 |
| Hardin | 62047 | Pike-Calhoun Co. | 45 |
| Harmon | 61042 | Ogle-Lee Co. | 3 |
| Harrisburg | 62946 | Gallatin-Saline Co. | 81 |
| Harristown | 62537 | Decatur Area | 49 |
| Hartford | 62048 | Madison Co. II | 74 |
| Hartsburg | 62643 | DeWitt-Logan Co. | 50 |
| Harvard | 60033 | McHenry Co. | 13 |
| Harvel | 62538 | Montgomery Co. | 51 |
| Harvey | 60426 | South Suburban | 19 |
| Harwood Hgts | 60706 | West Lake Shore Co. | 20 |
| Havana | 62644 | Mason Co. | 31 |
| Hawthorn Woods | 60047 | Lake Co. | 11 |
| Hawthorne | 60623 | City of Chicago | 99 |
| Haymarket | 60606 | City of Chicago | 99 |
| Hazel Crest | 60429 | South Suburban | 19 |
| Hazel Dell | 62430 | Cumberland Co. | 100 |
| Hebron | 60034 | McHenry Co. | 13 |
| Hecker | 62248 | Monroe Co. | 89 |
| Henderson | 61439 | Knox Co. | 27 |
| Hennepin | 61327 | Marshall Putnam Co. | 97 |
| Henning | 61848 | Vermilion Co. | 40 |
| Henry | 61537 | Marshall Putnam Co. | 97 |
| Herald | 62845 | White Co. | 87 |
| Herod | 62947 | Pope-Hardin Co. | 85 |
| Herrick | 62431 | Shelby Co. | 53 |
| Herrin | 62948 | Williamson Co. | 86 |
| Herscher | 60941 | Kankakee Co. | 17 |
| Hettick | 62649 | Macoupin Co. | 44 |
| Heyworth | 61745 | McLean Co. | 39 |
| Hickory Hills | 60457 | Southwest Suburban | 91 |
| Hidalgo | 62432 | Jasper | 61 |
| Highland | 62249 | Madison Co. III | 75 |
| Highland Park | 60035 | Lake Co. | 11 |
| Highwood | 60040 | Lake Co. | 11 |
| Hillsboro | 62049 | Montgomery Co. | 51 |
| Hillsdale | 61257 | Blackhawk | 21 |
| Hillside | 60162 | West Lake Shore Co. | 20 |
| Hillview | 62050 | Greene-Jersey Co. | 42 |
| Hinckley | 60520 | DeKalb Co. | 8 |
| Hindsboro | 61930 | Douglas Co. | 58 |
| Hines | 60141 | City of Chicago | 99 |
| Hinsdale | 60521 | DuPage Co. | 14 |
| Hodgkins | 60527 | City of Chicago | 99 |
| Hoffman | 62250 | Clinton Co. | 71 |
| Hoffman Estates | 60179 | Northwest Suburban | 90 |
| Holcomb | 61043 | Ogle-Lee Co. | 3 |
| Homer | 61849 | Champaign Co. | 35 |
| Homer Glen | 60491 | Joliet Area | 16 |
| Hometown | 60456 | Southwest Suburban | 91 |
| Homewood | 60430 | South Suburban | 19 |
| Hoopeston | 60942 | Vermilion Co. | 40 |
| Hooppole | 61258 | Henry-Stark Co. | 24 |
| Hopedale | 61747 | Tazewell Co. | 33 |
| Hopkins Park | 60944 | Kankakee Co. | 17 |
| Hoyleton | 62803 | Washington Co. | 78 |
| Hudson | 61748 | McLean Co. | 39 |
| Huey | 62252 | Clinton Co. | 71 |
| Hull | 62343 | Pike-Calhoun Co. | 45 |
| Humboldt | 61931 | Coles Co. | 55 |
| Hume | 61932 | Edgar Co. | 59 |
| Huntley | 60142 | McHenry Co. | 13 |
| Huntsville | 62344 | Schuyler-Brown Co. | 46 |
| Hurst | 62949 | Williamson Co. | 86 |
| Hutsonville | 62433 | Crawford Co. | 56 |
| Hyde Park | 60615 | City of Chicago | 99 |
| Illinois City | 61259 | Blackhawk | 21 |
| Illiopolis | 62539 | Land of Lincoln | 43 |
| Ina | 62846 | Jefferson Co. | 66 |
| Indian Head Park | 60525 | West Lake Shore Co. | 20 |
| Indianola | 61850 | Vermilion Co. | 40 |
| Industry | 61440 | McDonugh Co. | 25 |
| Ingleside | 60041 | Lake Co. | 11 |
| Ingraham | 62434 | Jasper | 61 |
| Inverness | 60067 | Lake Co. | 11 |
| Iola | 62847 | Clay Co. | 64 |
| Ipava | 61441 | Fulton Co. | 30 |
| Iroquois | 60945 | Iroquois Co. | 37 |
| Irving | 62051 | Montgomery Co. | 51 |
| Irving Park | 60641 | City of Chicago | 99 |
| Irvington | 62848 | Washington Co. | 78 |
| Island Lake | 60042 | Lake Co. | 11 |
| Itasca | 60143 | DuPage Co. | 14 |
| Iuka | 62849 | Marion Co. | 67 |
| Ivesdale | 61851 | Champaign Co. | 35 |
| Jackson Park | 60637 | City of Chicago | 99 |
| Jacksonville | 62650, 62651 |
Morgan-Scott Co. | 47 |
| Jacob | 62950 | Jackson Co. | 82 |
| Janesville | 62435 | Cumberland Co. | 100 |
| Jefferson | 60630 | City of Chicago | 99 |
| Jerseyville | 62052 | Greene-Jersey Co. | 42 |
| Jewett | 62436 | Cumberland Co. | 100 |
| Johnsburg | 60050 | McHenry Co. | 13 |
| Johnsonville | 62850 | Wayne Co. | 69 |
| Johnston City | 62951 | Williamson Co. | 86 |
| Joliet | 60431, 60432, 60433, 60434, 60435, 60436 |
Joliet Area | 16 |
| Jonesboro | 62952 | Alexander-Pulaski-Union Co. | 79 |
| Joppa | 62953 | Massac Co. | 83 |
| Joy | 61260 | Mercer Co. | 26 |
| Junction | 62954 | Gallatin-Saline Co. | 81 |
| Justice | 60458 | Southwest Suburban | 91 |
| Kampsville | 62053 | Pike-Calhoun Co. | 45 |
| Kane | 62054 | Greene-Jersey Co. | 42 |
| Kaneville | 60144 | Elgin Area | 15 |
| Kankakee | 60901 | Kankakee Co. | 17 |
| Kansas | 61933 | Edgar Co. | 59 |
| Karbers Ridge | 62955 | Pope-Hardin Co. | 85 |
| Karnak | 62956 | Massac Co. | 83 |
| Kasbeer | 61328 | Bureau Co. | 29 |
| Kedzie Grace | 60618 | City of Chicago | 99 |
| Keenes | 62851 | Wayne Co. | 69 |
| Keensburg | 62852 | Wabash-Edwards Co. | 68 |
| Keithsburg | 61442 | Mercer Co. | 26 |
| Kell | 62853 | Marion Co. | 67 |
| Kempton | 60946 | Ford Co. | 36 |
| Kenilworth | 60043 | North Lake Shore | 18 |
| Kenney | 61749 | DeWitt-Logan Co. | 50 |
| Kent | 61044 | Stephenson Co. | 4 |
| Kewanee | 61443 | Henry-Stark Co. | 24 |
| Keyesport | 62253 | Bond Co. | 70 |
| Kilbourne | 62655 | Mason Co. | 31 |
| Kincaid | 62540 | Christian Co. | 48 |
| Kinderhook | 62345 | Pike-Calhoun Co. | 45 |
| Kings | 61045 | Ogle-Lee Co. | 3 |
| Kingston | 60145 | DeKalb Co. | 8 |
| Kingston Mines | 61539 | Peoria Area | 32 |
| Kinmundy | 62854 | Marion Co. | 67 |
| Kinsman | 60437 | Grundy Co. | 9 |
| Kirkland | 60146 | DeKalb Co. | 8 |
| Kirkwood | 61447 | Warren Co. | 28 |
| Knoxville | 61448 | Knox Co. | 27 |
| La Clede | 62437 | Fayette Co. | 72 |
| La Fayette | 61449 | Knox Co. | 27 |
| La Grange | 60525 | West Lake Shore Co. | 20 |
| La Grange Park | 60526 | West Lake Shore Co. | 20 |
| La Moille | 61330 | Bureau Co. | 29 |
| La Place | 61936 | Piatt Co. | 92 |
| La Praire | 62346 | Adams Co. | 41 |
| La Rose | 61541 | Marshall Putnam Co. | 97 |
| La Salle | 61301 | LaSalle Co. | 12 |
| Lacon | 61540 | Marshall Putnam Co. | 97 |
| Ladd | 61329 | Bureau Co. | 29 |
| LaFox | 60147 | Elgin Area | 15 |
| LaHarpe | 61450 | Hancock Co. | 22 |
| Lake Bluff | 60044 | Lake Co. | 11 |
| Lake Briarwood | 60005 | Northwest Suburban | 90 |
| Lake Forest | 60045 | Lake Co. | 11 |
| Lake Fork | 62541 | DeWitt-Logan Co. | 50 |
| Lake in the Hills | 60156 | Northwest Suburban | 90 |
| Lake Park Forest | 60201 | Northwest Suburban | 90 |
| Lake Villa | 60046 | Lake Co. | 11 |
| Lake Zurich | 60047 | Lake Co. | 11 |
| Lakeview | 60613 | City of Chicago | 99 |
| Lakewood | 62438 | Shelby Co. | 53 |
| Lambert | 60439 | Joliet Area | 16 |
| Lanark | 61046 | Carroll Co. | 1 |
| Lancaster | 62855 | Wabash-Edwards Co. | 68 |
| Landsdowne | 62204 | St. Clair Co. | 77 |
| Lane | 61750 | DeWitt-Logan Co. | 50 |
| Langleyville | 62542 | Christian Co. | 48 |
| Lansing | 60438 | South Suburban | 19 |
| Latham | 62543 | DeWitt-Logan Co. | 50 |
| Laura | 61451 | Peoria Area | 32 |
| Lawndale | 61751 | DeWitt-Logan Co. | 50 |
| Lawrenceville | 62439 | Lawrence Co. | 62 |
| Le Roy | 61752 | McLean Co. | 39 |
| Leaf River | 61047 | Ogle-Lee Co. | 3 |
| Lebanon | 62254 | St. Clair Co. | 77 |
| Lee | 60530 | Ogle-Lee Co. | 3 |
| Lee Center | 61331 | Ogle-Lee Co. | 3 |
| Leland | 60531 | LaSalle Co. | 12 |
| Lemont | 60439 | Southwest Suburban | 91 |
| Lena | 61048 | Stephenson Co. | 4 |
| Lenzburg | 62255 | St. Clair Co. | 77 |
| Leonore | 61332 | LaSalle Co. | 12 |
| Lerna | 62440 | Cumberland Co. | 100 |
| Lewistown | 61542 | Fulton Co. | 30 |
| Lexington | 61753 | McLean Co. | 39 |
| Liberty | 62347 | Adams Co. | 41 |
| Libertyville | 60048 | Lake Co. | 11 |
| Lima | 62348 | Adams Co. | 41 |
| Lincoln | 62656 | DeWitt-Logan Co. | 50 |
| Lincoln Park | 60614 | City of Chicago | 99 |
| Lincolnshire | 60069 | Lake Co. | 11 |
| Lincolnwood | 60712 | North Lake Shore | 18 |
| Lindenhurst | 60046 | Lake Co. | 11 |
| Lindenwood | 61049 | Ogle-Lee Co. | 3 |
| Lisle | 60532 | DuPage Co. | 14 |
| Litchfield | 62056 | Montgomery Co. | 51 |
| Literberry | 62660 | Morgan-Scott Co. | 47 |
| Little York | 61453 | Warren Co. | 28 |
| Littleton | 61452 | Schuyler-Brown Co. | 46 |
| Liverpool | 61543 | Fulton Co. | 30 |
| Livingston | 62058 | Macoupin Co. | 44 |
| Loami | 62661 | Land of Lincoln | 43 |
| Lockport | 60441 | Joliet Area | 16 |
| Loda | 60948 | Iroquois Co. | 37 |
| Logan | 62856 | Franklin Co. | 80 |
| Logan Square | 60647 | City of Chicago | 99 |
| Loisville | 62858 | Clay Co. | 64 |
| Lomax | 61454 | Henderson Co. | 23 |
| Lombard | 60148 | DuPage Co. | 14 |
| London Mills | 61544 | Fulton Co. | 30 |
| Long Grove | 60049 | Lake Co. | 11 |
| Long Point | 61333 | Livingston Co. | 38 |
| Longview | 61852 | Champaign Co. | 35 |
| Loogootee | 62857 | Fayette Co. | 72 |
| Loraine | 62349 | Adams Co. | 41 |
| Lostant | 61334 | LaSalle Co. | 12 |
| Louisville | 62858 | Clay Co. | 64 |
| Lovejoy | 62059 | St. Clair Co. | 77 |
| Loves Park | 61111 | Winnebago Co. | 6 |
| Lovington | 61937 | Moultrie Co. | 52 |
| Lowder | 62662 | Land of Lincoln | 43 |
| Lowpoint | 61545 | Woodford Co. | 34 |
| Ludlow | 60949 | Champaign Co. | 35 |
| Lyndon | 61261 | Whiteside Co. | 5 |
| Lynn Center | 61262 | Henry-Stark Co. | 24 |
| Lyons | 60534 | West Lake Shore Co. | 20 |
| Macedonia | 62860 | Franklin Co. | 80 |
| Machesney Park | 61115 | Winnebago Co. | 6 |
| Mackinaw | 61755 | Tazewell Co. | 33 |
| Macomb | 61455 | McDonugh Co. | 25 |
| Macon | 62544 | Decatur Area | 49 |
| Madison | 62060 | Madison Co. III | 75 |
| Maeystown | 62256 | Monroe Co. | 89 |
| Magnolia | 61336 | Marshall Putnam Co. | 97 |
| Mahomet | 61853 | Champaign Co. | 35 |
| Makanda | 62958 | Jackson Co. | 82 |
| Malden | 61337 | Bureau Co. | 29 |
| Malta | 60150 | DeKalb Co. | 8 |
| Manchester | 62663 | Morgan-Scott Co. | 47 |
| Manhattan | 60442 | Joliet Area | 16 |
| Manito | 61546 | Mason Co. | 31 |
| Manlius | 61338 | Bureau Co. | 29 |
| Mansfield | 61854 | Piatt Co. | 92 |
| Manteno | 60950 | Kankakee Co. | 17 |
| Manville | 61339 | Livingston Co. | 38 |
| Maple Park | 60151 | Elgin Area | 15 |
| Mapleton | 61547 | Peoria Area | 32 |
| Maquon | 61458 | Knox Co. | 27 |
| Marengo | 60152 | McHenry Co. | 13 |
| Marietta | 61459 | Fulton Co. | 30 |
| Marine | 62061 | Madison Co. III | 75 |
| Marion | 62959 | Williamson Co. | 86 |
| Marissa | 62257 | St. Clair Co. | 77 |
| Mark | 61340 | Marshall Putnam Co. | 97 |
| Markham | 60426 | South Suburban | 19 |
| Maroa | 61756 | Decatur Area | 49 |
| Marseilles | 61341 | LaSalle Co. | 12 |
| Marshall | 62441 | Clark Co. | 54 |
| Martinsville | 62442 | Clark Co. | 54 |
| Martinton | 60951 | Iroquois Co. | 37 |
| Maryville | 62062 | Madison Co. III | 75 |
| Mascoutah | 62224, 62258 |
St. Clair Co. | 77 |
| Mason | 62443 | Effingham Co. | 60 |
| Mason City | 62664 | Mason Co. | 31 |
| Matherville | 61263 | Mercer Co. | 26 |
| Matteson | 60443 | South Suburban | 19 |
| Mattoon | 61938 | Coles Co. | 55 |
| Maunie | 62861 | White Co. | 87 |
| Maywood | 60153 | West Lake Shore Co. | 20 |
| Mazon | 60444 | Grundy Co. | 9 |
| McClure | 62957 | Alexander-Pulaski-Union Co. | 79 |
| McConnell | 61050 | Stephenson Co. | 4 |
| McHenry | 60050, 60051 |
McHenry Co. | 13 |
| McLean | 61754 | McLean Co. | 39 |
| McLeansboro | 62859 | Hamilton Co. | 65 |
| McNabb | 61335 | Marshall Putnam Co. | 97 |
| Mechanicsburg | 62545 | Land of Lincoln | 43 |
| Media | 61460 | Henderson Co. | 23 |
| Medinah | 60157 | DuPage Co. | 14 |
| Medora | 62063 | Greene-Jersey Co. | 42 |
| Melrose Park | 60160, 60161, 60164 |
West Lake Shore Co. | 20 |
| Melvin | 60952 | Ford Co. | 36 |
| Menard | 62259 | Randolph Co. | 76 |
| Mendon | 62351 | Adams Co. | 41 |
| Mendota | 61342 | LaSalle Co. | 12 |
| Meppen | 62064 | Pike-Calhoun Co. | 45 |
| Meredosia | 62665 | Morgan-Scott Co. | 47 |
| Merna | 61758 | McLean Co. | 39 |
| Metamora | 61548 | Woodford Co. | 34 |
| Metcalf | 61940 | Edgar Co. | 59 |
| Metropolis | 62960 | Massac Co. | 83 |
| Michael | 62065 | Pike-Calhoun Co. | 45 |
| Middlegrove | 61549 | Fulton Co. | 30 |
| Middleton | 62666 | DeWitt-Logan Co. | 50 |
| Midlothian | 60445 | Southwest Suburban | 91 |
| Midwest | 60612 | City of Chicago | 99 |
| Milan | 61264 | Blackhawk | 21 |
| Milford | 60953 | Iroquois Co. | 37 |
| Mill Shoals | 62862 | White Co. | 87 |
| Millbrook | 60536 | Kendall Co. | 10 |
| Millcreek | 62961 | Alexander-Pulaski-Union Co. | 79 |
| Milledgeville | 61046 | Carroll Co. | 1 |
| Miller City | 62962 | Alexander-Pulaski-Union Co. | 79 |
| Millington | 60537 | Kendall Co. | 10 |
| Millstadt | 62260 | St. Clair Co. | 77 |
| Milmine | 61855 | Piatt Co. | 92 |
| Milton | 62352 | Pike-Calhoun Co. | 45 |
| Mineral | 61344 | Bureau Co. | 29 |
| Minier | 61759 | Tazewell Co. | 33 |
| Minonk | 61760 | Woodford Co. | 34 |
| Minooka | 60447 | Grundy Co. | 9 |
| Mode | 62444 | Shelby Co. | 53 |
| Modesto | 62667 | Macoupin Co. | 44 |
| Modoc | 62261 | Randolph Co. | 76 |
| Mokena | 60448 | Joliet Area | 16 |
| Moline | 61265, 61266 |
Blackhawk | 21 |
| Momence | 60954 | Kankakee Co. | 17 |
| Monee | 60449 | Joliet Area | 16 |
| Monmouth | 61462 | Warren Co. | 28 |
| Monroe Center | 61052 | Ogle-Lee Co. | 3 |
| Montgomery | 60538 | Kendall Co. | 10 |
| Monticello | 61856 | Piatt Co. | 92 |
| Montrose | 62445 | Jasper | 61 |