- Abingdon
- Adair
- Adams
- Addieville
- Addison
- Adeline
- Adrian
- Afolkey
- Agnew
- Aiken
- Albany
- Albers
- Albion
- Aledo
- Alexander
- Alexis
- Algonquin
- Alhambra
- Allendale
- Allenville
- Allerton
- Alma
- Alpha
- Alsey
- Alsip
- Alta
- Altamont
- Alto Pass
- Alton
- Altona
- Alvin
- Amboy
- Ames
- Anchor
- Andalusia
- Andover
- Anna
- Annapolis
- Annawan
- Antioch
- Apple Canyon Lake
- Apple River
- Apple River Canyon State Park
- Arcola
- Arenzville
- Argenta
- Argo Fay
- Argyle Lake State Park
- Arlington
- Arlington Heights
- Armington
- Armstrong
- Aroma Park
- Arrowsmith
- Arthur
- Ashkum
- Ashland
- Ashley
- Ashmore
- Ashton
- Assumption
- Astoria
- Athens
- Athensville
- Atkinson
- Atlanta
- Atlas
- Atterberry
- Atwater
- Atwood
- Auburn
- Augusta
- Aurora
- Ava
- Avena
- Aviston
- Avon
- Bald Bluff
- Baldwin
- Banner
- Bannockburn
- Bardolph
- Barr
- Barrington
- Barrington Hills
- Barrow
- Barry
- Barstow
- Bartelso
- Bartlett
- Bartonville
- Basco
- Batavia
- Batchtown
- Bath
- Bayle City
- Baylis
- Beach Park
- Beardstown
- Beason
- Beaucoup
- Beaver Creek
- Beaverville
- Beckemeyer
- Bedford
- Bedford Park
- Beecher
- Beecher City
- Beechville
- Beecreek
- Belknap
- Bell Ridge
- Bellair
- Belle Prairie City
- Belle Rive
- Belleview
- Belleville
- Bellevue
- Bellflower
- Bellmont
- Belltown
- Bellwood
- Belvidere
- Bement
- Benld
- Bensenville
- Benson
- Bentley
- Benton
- Berdan
- Berkeley
- Berlin
- Bernadotte
- Berry
- Berryville
- Berwick
- Berwyn
- Bethalto
- Bethany
- Beverly
- Bible Grove
- Big River State Forest
- Biggsville
- Billett
- Bingham
- Birds
- Bishop Hill
- Bismarck
- Blackhawk State Park
- Blair
- Blanding
- Blandinsville
- Bloomingdale
- Bloomington
- Blue Island
- Blue Mound
- Bluff City
- Bluff Springs
- Bluffs
- Bluford
- Boden
- Bogota
- Bolingbrook
- Bolton
- Bone Gap
- Bonfield
- Bonnie
- Boody
- Borton
- Boulder
- Boulder Hill
- Bourbon
- Bourbonnais
- Bowen
- Braceville
- Bradford
- Bradley
- Braidwood
- Breese
- Bremen
- Bridgeport
- Bridgeview
- Brighton
- Brimfield
- Broadlands
- Broadview
- Broadwell
- Brocton
- Brookfield
- Brooklyn
- Brookport
- Broughton
- Browning
- Browns
- Brownstown
- Brubaker
- Brussels
- Bryant
- Buckhorn
- Buckingham
- Buckley
- Buckner
- Buda
- Buena Vista
- Buffalo
- Buffalo Grove
- Buffalo Prairie
- Bull Valley
- Buncombe
- Bunker Hill
- Burbank
- Bureau
- Burgess
- Burksville
- Burlington
- Burnham
- Burnside
- Burnt Prairie
- Burr Ridge
- Burton
- Bush
- Bushnell
- Butler
- Byron
- Cabery
- Cable
- Cadwell
- Cahokia
- Cairo
- Calhoun
- Calumet City
- Calumet Park
- Camargo
- Cambria
- Cambridge
- Camden
- Cameron
- Camp Grove
- Camp Point
- Campbell Hill
- Campbells Island
- Campus
- Canton
- Cantrall
- Capron
- Carbon Cliff
- Carbon Hill
- Carbondale
- Carlinville
- Carlock
- Carlyle
- Carman
- Carmi
- Carol Stream
- Carpenter
- Carpentersville
- Carriers Mills
- Carrollton
- Carterville
- Carthage
- Carthage Lake
- Cartter
- Cary
- Casey
- Caseyville
- Castleton
- Catlin
- Cave-In-Rock
- Cazenovia
- Cedar Point
- Cedarville
- Center Hill
- Central City
- Centralia
- Centreville
- Cerro Gordo
- Chadwick
- Chalfin Bridge
- Chambersburg
- Champaign
- Chandlerville
- Channahon
- Channel Lake
- Chapin
- Chapman
- Charleston
- Chatauqua Park
- Chatham
- Chatsworth
- Chatton
- Chauncey
- Chebanse
- Chenoa
- Cherry
- Cherry Valley
- Chester
- Chesterfield
- Chesterville
- Chestnut
- Chicago
- Chicago Heights
- Chicago Ridge
- Chillicothe
- Chrisman
- Christopher
- Cicero
- Cisco
- Cisne
- Cissna Park
- Claremont
- Clarendon Hills
- Clarksburg
- Clarksville
- Clay City
- Clayton
- Cleveland
- Clifton
- Clinton
- Coal City
- Coal Hollow
- Coal Valley
- Coalton
- Coatsburg
- Cobden
- Coffeen
- Colchester
- Coldbrook
- Coles
- Coleta
- Colfax
- Collinsville
- Collison
- Colmar
- Colona
- Colp
- Columbia
- Columbus
- Colusa
- Como
- Compton
- Concord
- Congerville
- Cooks Mill
- Cooksville
- Coopertown
- Cordes
- Cordova
- Cornell
- Cornland
- Cortland
- Coulterville
- Council Hill
- Country Club Hills
- Countryside
- Covington
- Cowden
- Coyne Center
- Crainville
- Creal Springs
- Crescent City
- Crest Hill
- Creston
- Crestwood
- Crete
- Creve Coeur
- Cropsey
- Crossville
- Crystal Lake
- Crystal Lawns
- Cuba
- Cullom
- Curran
- Cutler
- Cypress
- Dahinda
- Dahlgren
- Dakota
- Dakota Dornink Airport
- Dallas City
- Dalton City
- Dalzell
- Damascus
- Damiansville
- Dana
- Danforth
- Danvers
- Danville
- Darien
- Davis
- Davis Junction
- Dawson
- Dayton
- De Kalb
- De Land
- De Soto
- De Witt
- Decatur
- Decorra
- Deer Creek
- Deer Grove
- Deer Park
- Deer Plain
- Deerfield
- DeKalb
- Delabar State Park
- Delavan
- Delhi
- Delong
- Dennison
- Denrock
- Denver
- Depue
- Des Plaines
- Detroit
- Diamond
- Dieterich
- Dillon
- Disco
- Divernon
- Dix
- Dixmoor
- Dixon
- Doddsville
- Dolton
- Dongola
- Donnellson
- Donovan
- Dorchester
- Dorsey
- Douglas Park
- Dover
- Dowell
- Downers Grove
- Downs
- Du Bois
- Du Quoin
- Dudleyville
- Duncan
- Duncan Mills
- Dundas
- Dunfermline
- Dunlap
- Dupage Airport
- Dupo
- Durand
- Dwight
- Earlville
- East Alton
- East Brooklyn
- East Cape Girardea
- East Carondelet
- East Clinton
- East Dubuque
- East Dundee
- East Hazel Crest
- East Moline
- East Peoria
- East St. Louis
- Easton
- Eaton
- Eddyville
- Eden
- Edgar
- Edgewood
- Edgington
- Edinburg
- Edwardsville
- Effingham
- El Dara
- El Paso
- Elburn
- Eldorado
- Eldred
- Eleanor
- Eleroy
- Elgin
- Eliza
- Elizabeth
- Elizabethtown
- Elk Grove Village
- Elkhart
- Elkton
- Elkville
- Elliotstown
- Elliott
- Ellis Grove
- Ellisville
- Ellsworth
- Elmhurst
- Elmira
- Elmore
- Elmoville
- Elmwood
- Elmwood Park
- Elsah
- Elvaston
- Elwin
- Elwood
- Emden
- Emerson
- Emington
- Energy
- Enfield
- Englewood
- Equality
- Erie
- Essex
- Eureka
- Evanston
- Evansville
- Evergreen Park
- Ewing
- Exeter
- Fairbury
- Fairfield
- Fairhaven
- Fairman
- Fairmont
- Fairmont City
- Fairmount
- Fairview
- Fairview Heights
- Fall Creek
- Fancy Prairie
- Fandon
- Farina
- Farmer City
- Farmersville
- Farmingdale
- Farmington
- Fayetteville
- Fenton
- Ferrin
- Ferris
- Fiatt
- Fidelity
- Fieldon
- Fillmore
- Findlay
- Fisher
- Fishhook
- Fithian
- Flanagan
- Flat Rock
- Flora
- Floraville
- Florence
- Florid
- Flossmoor
- Foosland
- Ford Heights
- Forest City
- Forest Lake
- Forest Park
- Forest View
- Forrest
- Forreston
- Forsyth
- Foster Pond
- Fosterburg
- Fountain
- Fountain Green
- Fowler
- Fox Lake
- Fox Lake Hills
- Fox River Grove
- Fox River Valley G
- Frankfort
- Frankfort Square
- Franklin
- Franklin Corners
- Franklin Grove
- Franklin Park
- Frederick
- Freeburg
- Freeman Spur
- Freeport
- Frogtown
- Fruit
- Fruitland
- Fulton
- Fults
- Gages Lake
- Galatia
- Galena
- Galena Territory
- Galesburg
- Galt
- Galva
- Garden Plain
- Gardner
- Garrett
- Gays
- Geneseo
- Geneva
- Genoa
- Georgetown
- Gerlaw
- German Corner
- German Valley
- Germantown
- Germantown Hills
- Gibson City
- Gifford
- Gila
- Gilberts
- Gilchrist
- Gillespie
- Gilman
- Gilson
- Gingle Corners
- Girard
- Gladstone
- Glasford
- Glasgow
- Glen Carbon
- Glen Ellyn
- Glenarm
- Glenbard South
- Glencoe
- Glendale Heights
- Glenview
- Glenwood
- Godfrey
- Godley
- Golconda
- Golden
- Golden Eagle
- Golden Gate
- Golf
- Good Hope
- Goodfield
- Goodings Grove
- Goreville
- Gorham
- Grafton
- Grand Ridge
- Grand Tower
- Grandwood Park
- Granite City
- Grant Park
- Grantfork
- Granville
- Grayslake
- Grayville
- Green Oaks
- Green River
- Green Valley
- Greenbush
- Greenfield
- Greenup
- Greenview
- Greenville
- Gridley
- Griffin
- Griggsville
- Grimes Addition
- Gross
- Groveland
- Guilford
- Gulf Port
- Gurnee
- Hagerstown
- Hainesville
- Hallsville
- Hamburg
- Hamel
- Hamilton
- Hamilton Corners
- Hamlet
- Hamletsburg
- Hammond
- Hampshire
- Hampton
- Hanaford
- Hanna City
- Hanover
- Hanover Park
- Hardin
- Hardinville
- Harmon
- Harrisburg
- Harrisonville
- Harristown
- Hartford
- Hartsburg
- Harvard
- Harvel
- Harvey
- Harwood Heights
- Havana
- Hawthorn Woods
- Haypress
- Hazel Crest
- Hazel Dell
- Heapsville
- Heartville
- Hebron
- Hecker
- Helena
- Helm
- Henderson
- Hennepin
- Henning
- Henry
- Herrick
- Herrin
- Herscher
- Hettick
- Heyworth
- Hickory Hills
- Hidalgo
- Highland
- Highland Park
- Highwood
- Hillcrest
- Hillsboro
- Hillsdale
- Hillside
- Hillview
- Hinckley
- Hindsboro
- Hinsdale
- Hitt
- Hodgkins
- Hoffman
- Hoffman Estates
- Holder
- Holiday Hills
- Hollowayville
- Homer
- Homer Glen
- Hometown
- Homewood
- Honey Bend
- Hoopeston
- Hooppole
- Hopedale
- Hopewell
- Hopkins Park
- Hopper
- Hord
- Hornsby
- Houston
- Hoyleton
- Hudson
- Huegely
- Huey
- Hull
- Humboldt
- Humboldt Park
- Hume
- Huntley
- Huntsville
- Hurst
- Hutsonville
- Hutton
- Hyde Park
- Ideal
- Illiniwek Park
- Illinois City
- Illiopolis
- Ina
- Independence
- Indian Bluff Park
- Indian Creek
- Indian Head Park
- Indianola
- Industry
- Ingaham
- Ingalls Park
- Inverness
- Iola
- Ipava
- Iroquois
- Irving
- Irvington
- Irwin
- Island Lake
- Itasca
- Iuka
- Ivesdale
- Jacksonville
- Jamaica
- Jamestown
- Janesville
- Jeffersonville
- Jerseyville
- Jewett
- Johannisburg
- Johnsburg
- Johnson Sauk Trail
- Johnsonville
- Johnston City
- Joliet
- Jonesboro
- Joppa
- Joslin
- Joy
- Junction
- Junction City
- Justice
- Kampsville
- Kane
- Kangley
- Kankakee
- Kansas
- Kappa
- Karbers Ridge
- Karnak
- Kasbeer
- Kaskaskia
- Kaufman
- Keenes
- Keensburg
- Keithsburg
- Kell
- Kellerville
- Kellogg
- Kemper
- Kempton
- Kenilworth
- Kenney
- Kent
- Kewanee
- Kewanee Municipal Airport
- Keyesport
- Kickapoo
- Kidd
- Kilbourne
- Kildeer
- Kincaid
- Kinderhook
- Kingston
- Kingston Mines
- Kinmundy
- Kinsman
- Kirkland
- Kirksville
- Kirkwood
- Knoxville
- Kuhn
- La Clede
- La Fayette
- La Grange
- La Grange Park
- La Harpe
- La Moille
- La Place
- La Prairie
- La Rose
- La Salle
- Lacon
- Ladd
- Lake Barrington
- Lake Bluff
- Lake Catherine
- Lake City
- Lake Forest
- Lake in the Hills
- Lake Leaquana State Park
- Lake Of The Woods
- Lake Summerset
- Lake Thunderbird
- Lake Villa
- Lake Warren
- Lake Zurich
- Lakemoor
- Lakeview
- Lakewood
- Lakewood Shores
- Lanark
- Lane
- Lansing
- Larchland
- Latham
- Latona
- Laura
- Lawn Ridge
- Lawndale
- Lawrenceville
- Le Roy
- Leaf River
- Lebanon
- Lee
- Leland
- Lemont
- Lena
- Lenzburg
- Leon Corners
- Leonore
- Lerna
- Lewistown
- Lexington
- Liberty
- Libertyville
- Lima
- Lincoln
- Lincoln Park
- Lincolnshire
- Lincolnwood
- Lindenhurst
- Lisbon
- Lisle
- Litchfield
- Literberry
- Little America
- Little Swan Lake
- Little York
- Littleton
- Lively Grove
- Liverpool
- Livingston
- Loami
- Lockport
- Loda
- Lodge
- Logan Square
- Lomax
- Lombard
- Lombardville
- London Mills
- Lone Tree
- Lone Tree Corners
- Long Creek
- Long Grove
- Long Lake
- Long Point
- Longview
- Loogootee
- Loraine
- Loran
- Lostant
- Loud Thunder Forest Preserve
- Louisville
- Loves Park
- Lovington
- Low Point
- Lowder
- Ludlow
- Lyndon
- Lynn Center
- Lynnville
- Lynwood
- Lyons
- Macedonia
- Machesney Park
- Mackinaw
- Macomb
- Macomb Municipal Airport
- Macon
- Madison
- Madonnaville
- Maeystown
- Magnolia
- Mahomet
- Makanda
- Malden
- Malta
- Malvern
- Manchester
- Manhattan
- Manito
- Manlius
- Mannon
- Mansfield
- Manteno
- Maple Park
- Mapleton
- Maquon
- Marblehead
- Marbletown
- Marengo
- Marietta
- Marine
- Marion
- Marissa
- Mark
- Markham
- Maroa
- Marquette Heights
- Marseilles
- Marshall
- Marston
- Martinsburg
- Martinsville
- Martinton
- Maryville
- Mascoutah
- Mason
- Mason City
- Massbach
- Matherville
- Matteson
- Mattoon
- Maunie
- Maywood
- Mazon
- Mc Connell
- Mc Nabb
- Mcclusky
- Mccook
- Mccullom Lake
- McHenry
- Mclean
- Mcleansboro
- Mechanicsburg
- Media
- Medinah
- Medora
- Meigs Field
- Melrose Park
- Melvin
- Mendon
- Mendota
- Menominee
- Meppen
- Meredosia
- Merrionette Park
- Merritt
- Metamora
- Metcalf
- Metropolis
- Mettawa
- Meyer
- Michael
- Middle Grove
- Middletown
- Midlothian
- Midway Airport
- Milan
- Miles Station
- Milford
- Mill Creek
- Mill Shoals
- Milledgeville
- Millersburg
- Millington
- Millstadt
- Milo
- Milton
- Mineral
- Minier
- Minonk
- Minooka
- Mississippi Palisades
- Mitchell
- Moccasin
- Modesto
- Modoc
- Mokena
- Moline
- Moline Quad-City Airport
- Momence
- Monee
- Monica
- Monmouth
- Monmouth Municipal Airport
- Monroe City
- Montezuma
- Montgomery
- Monticello
- Montrose
- Montrose Harbor
- Morris
- Morrison
- Morrison/Rockwood Park
- Morrisonville
- Morristown
- Morton
- Morton Grove
- Mossville
- Mound City
- Mound Station
- Mounds
- Mount Auburn
- Mount Carmel
- Mount Carroll
- Mount Erie
- Mount Morris
- Mount Olive
- Mount Prospect
- Mount Pulaski
- Mount Sterling
- Mount Vernon
- Mount Zion
- Moweaqua
- Mozier
- Muddy
- Mulberry Grove
- Mundelein
- Murdock
- Murphysboro
- Murrayville
- Naperville
- Naplate
- Naples
- Nashville
- Nason
- Nauvoo
- Nauvoo State Park
- Navy Pier
- Nebo
- Nekoma
- Nelson
- Neoga
- Neponset
- New Athens
- New Baden
- New Bedford
- New Berlin
- New Boston
- New Burnside
- New Canton
- New Design
- New Douglas
- New Grand Chain
- New Handover
- New Hartford
- New Haven
- New Hebron
- New Holland
- New Lenox
- New Memphis
- New Millford
- New Minden
- New Palestine
- New Philadelphia
- New Salem
- New Windsor
- Newark
- Newman
- Newmansville
- Newton
- Newton Corners
- Niantic
- Niles
- Nilwood
- Niota
- Noble
- Nokomis
- Nora
- Normal
- Normandy
- Norridge
- Norris
- Norris City
- North Aurora
- North Barrington
- North Chicago
- North City
- North Hanover
- North Henderson
- North Riverside
- Northbrook
- Northfield
- Northlake
- Nortonville
- Norwood
- Nutwood
- Oak Brook
- Oak Forest
- Oak Grove
- Oak Lawn
- Oak Park
- Oakbrook Terrace
- Oakdale
- Oakdale Nature Preserve
- Oakford
- Oakland
- Oakley
- Oakwood
- Oakwood Hills
- Oblong
- Oconee
- Odell
- Odin
- OFallon
- Ogden
- Ogle
- Oglesby
- Ohare Airport
- Ohio
- Ohlman
- Okawville
- Old Gilchrist
- Old Kane
- Old Mill Creek
- Old Ripley
- Old Shawneetown
- Olena
- Oliver
- Olmsted
- Olney
- Olympia Fields
- Omaha
- Omega
- Onarga
- Oneco
- Oneida
- Ophiem
- Oquawka
- Orange
- Orangeville
- Oreana
- Oregon
- Orient
- Orion
- Orland Hills
- Orland Park
- Ormonde
- Osborn
- Osceola
- Osco
- Oskaloosa
- Oswego
- Ottawa
- Otterville
- Ottville
- Owaneco
- Oxville
- Paderborn
- Palatine
- Palermo
- Palestine
- Palmer
- Palmyra
- Paloma
- Palos Heights
- Palos Hills
- Palos Park
- Pana
- Panama
- Panola
- Papineau
- Paradise
- Paris
- Park City
- Park Forest
- Park Ridge
- Parkersburg
- Patoka
- Patterson
- Paw Paw
- Pawnee
- Paxton
- Payson
- Pearl
- Pearl City
- Pecatonica
- Pekin
- Pennington Point
- Penrose
- Peoria
- Peoria Heights
- Peotone
- Percy
- Perry
- Peru
- Pesotum
- Petersburg
- Petersville
- Petrolia
- Philadelphia
- Phillipstown
- Philo
- Phoenix
- Piasa
- Pierron
- Pike
- Pinckneyville
- Pingree Grove
- Pinkstaff
- Piper City
- Pistakee Highlands
- Pittsburg
- Pittsfield
- Plainfield
- Plainview
- Plainville
- Plano
- Pleasant Hill
- Pleasant Mound
- Pleasant Plains
- Plymouth
- Poag
- Pocahontas
- Polo
- Ponemah
- Pontiac
- Pontoon Beach
- Pontoosuc
- Poplar City
- Poplar Grove
- Port Byron
- Portland Corners
- Posen
- Posey
- Potomac
- Powerton
- Prairie
- Prairie City
- Prairie City Airport
- Prairie Du Rocher
- Prairie Grove
- Prairietown
- Preemption
- Prentice
- Preston
- Preston Heights
- Princeton
- Princeville
- Prophetstown
- Prospect Heights
- Providence
- Pruett
- Pulaski
- Putnam
- Quincy
- Radom
- Raleigh
- Ramsey
- Rankin
- Ransom
- Rantoul
- Rapids City
- Rardin
- Raritan
- Ray
- Raymond
- Red Bud
- Red Oak
- Reddick
- Redmon
- Renault
- Reno
- Reynolds
- Rice
- Richfield
- Richmond
- Richton Park
- Richview
- Ridge Farm
- Ridgway
- Ridott
- Ridott Corners
- Riggston
- Rio
- Ripley
- River Forest
- River Grove
- Riverdale
- Riverside
- Riverton
- Riverwoods
- Roanoke
- Robbins
- Roberts
- Robinson
- Roby
- Rochelle
- Rochester
- Rock City
- Rock Falls
- Rock Grove
- Rock Island
- Rock Island Arsenal
- Rockbridge
- Rockdale
- Rockford
- Rockford Airport
- Rockport
- Rockton
- Rockwood
- Rodden
- Rogers Park
- Rolling Meadows
- Rome
- Romeoville
- Roodhouse
- Roots
- Roscoe
- Rose Hill
- Roselle
- Rosemont
- Roseville
- Rosiclare
- Rossville
- Round Grove
- Round Lake
- Round Lake Beach
- Round Lake Heights
- Round Lake Park
- Rowell
- Roxana
- Royal
- Royal Lakes
- Royalton
- Rozetta
- Ruma
- Rushville
- Russellville
- Rutland
- Sadorus
- Sailor Springs
- Salem
- Salisbury
- San Jose
- Sandoval
- Sandwich
- Sauget
- Sauk Village
- Saunemin
- Savanna
- Savoy
- Saybrook
- Scales Mound
- Schapville
- Schaumburg
- Schiller Park
- Schnell
- Sciota
- Scioto Mills
- Scott Afb
- Scottland
- Scottsburg
- Scottville
- Seaton
- Seatonville
- Secor
- Seehorn
- Selmaville
- Seneca
- Sesser
- Seymour
- Shabbona
- Shady Beach
- Shafter
- Shale City
- Shannon
- Sharpsburg
- Shattuc
- Shawneetown
- Sheffield
- Shelbyville
- Sheldon
- Sheridan
- Sherman
- Sherrard
- Shiloh
- Shiloh Hill
- Shipman
- Shirley
- Shobonier
- Shokokon
- Shorewood
- Shumway
- Sibley
- Sicily
- Sidell
- Sidney
- Sigel
- Silvis
- Silvis Heights
- Simpson
- Sims
- Sinclair
- Skokie
- Sleepy Hollow
- Smithboro
- Smithfield
- Smithshire
- Smithton
- Smithville
- Snicarte
- Somonauk
- Sorento
- South Barrington
- South Beloit
- South Chicago
- South Chicago Heights
- South Elgin
- South Holland
- South Pekin
- South Wilmington
- Sparland
- Sparta
- Spillertown
- Spring Bay
- Spring Grove
- Spring Hill
- Spring Valley
- Spring Valley Airport
- Springerton
- Springfield
- St. Anne
- St. Augustine
- St. Charles
- St. David
- St. Elmo
- St. Francisville
- St. Jacob
- St. James
- St. Johns
- St. Joseph
- St. Libory
- St. Paul
- St. Peter
- St. Rose
- Standard
- Standard City
- Stanford
- Staunton
- Ste. Marie
- Steeleville
- Steger
- Stephen Forbes Station
- Sterling
- Steward
- Stewardson
- Stickney
- Stillman Valley
- Stillwell
- Stockton
- Stockton Airport
- Stolletown
- Stone Church
- Stone Park
- Stonefort
- Stonington
- Stoy
- Strasburg
- Strawn
- Streamwood
- Streator
- Stronghurst
- Sublette
- Sugar Grove
- Sullivan
- Summer Hill
- Summerfield
- Summit
- Sumner
- Sun River Terrace
- Sunbeam
- Sunny Hill
- Sunny Hill Estates
- Sunnyside
- Sutter
- Swan Creek
- Swansea
- Swedona
- Sweetwater
- Sycamore
- Symerton
- Table Grove
- Tallula
- Tamalco
- Tamaroa
- Tamms
- Tampico
- Taylor Ridge
- Taylor Springs
- Taylorville
- Tennessee
- Terre Haute
- Teutopolis
- Thawville
- Thayer
- Thebes
- Third Lake
- Thomas
- Thomasboro
- Thompsonville
- Thomson
- Thornton
- Tilden
- Tilton
- Time
- Tinley Park
- Tioga
- Tiskilwa
- Toledo
- Tolono
- Toluca
- Tonica
- Tonti
- Topeka
- Toulon
- Towanda
- Tower Hill
- Tower Lakes
- Tremont
- Trenton
- Trilla
- Trivoli
- Trowbridge
- Troy
- Troy Grove
- Tuscola
- Ulah
- Ullin
- Union
- Union Center
- Union Grove
- Union Hill
- Unionville
- University Park
- Urbana
- Ursa
- Ustick
- Utica
- Valier
- Valley City
- Valmeyer
- Van Burensburg
- Van Orin
- Vandalia
- Vanderville
- Varna
- Venedy
- Venetian Village
- Venice
- Vergennes
- Vermilion
- Vermont
- Vernon
- Vernon Hills
- Verona
- Versailles
- Victoria
- Vienna
- Villa Grove
- Villa Park
- Viola
- Virden
- Virginia
- Wacker
- Waddams Grove
- Wadsworth
- Waggoner
- Wakefield
- Walkersville
- Walnut
- Walnut Grove
- Walnut Hill
- Walsh
- Walshville
- Waltonville
- Wamac
- Wanlock
- Wapella
- Warner
- Warren
- Warrensburg
- Warrenville
- Warsaw
- Wartburg
- Washburn
- Washington
- Washington Park
- Wataga
- Waterloo
- Waterman
- Watseka
- Watson
- Wauconda
- Waukegan
- Waverly
- Wayne
- Wayne City
- Waynesville
- Webster
- Weldon
- Welge
- Wellington
- Wendelin
- Wenona
- Wenonah
- West Brooklyn
- West Chicago
- West City
- West Dundee
- West Frankfort
- West Jersey
- West Liberty
- West Peoria
- West Point
- West Salem
- West Union
- West York
- Westchester
- Western Illinois University
- Western Springs
- Westervelt
- Westfield
- Westmont
- Westville
- Wheaton
- Wheeler
- Wheeling
- White City
- White Hall
- White Heath
- White Oak
- White Pigeon
- Whiteash
- Whiteside County Airport
- Whitton
- Willeys
- Williamsfield
- Williamson
- Williamsville
- Willisville
- Willow
- Willow Hill
- Willow Springs
- Willowbrook
- Wilmette
- Wilmington
- Wilsonville
- Winchester
- Windsor
- Winfield
- Winnebago
- Winneshiek
- Winnetka
- Winslow
- Winthrop Harbor
- Witt
- Woburn
- Wonder Lake
- Wood Dale
- Wood River
- Woodbine
- Woodbury
- Woodhull
- Woodland
- Woodlawn
- Woodridge
- Woodson
- Woodstock
- Woodville
- Woody
- Worden
- Worth
- Wrights
- Wrights Corner
- Wyanet
- Wyoming
- Xenia
- Yale
- Yates City
- Yeoward Addition
- York Center
- Yorktown
- Yorkville
- Youngstown
- Zearing
- Zeigler
- Zion
