What area code is 815 in Illinois?

Illinois regions with area code 815

Currently the area code 815 in the state of Illinois is used by 275 locations:

Adeline
Amboy
Apple Canyon Lake
Apple River
Arlington
Aroma Park
Ashkum
Ashton
Beaverville
Belvidere
Bolingbrook
Bonfield
Bourbonnais
Braceville
Bradley
Braidwood
Buckingham
Bull Valley
Bureau Junction
Byron
Cabery
Caledonia
Campus
Capron
Carbon Hill
Cedar Point
Cedarville
Chadwick
Channahon
Chatsworth
Chebanse
Chemung
Chenoa
Cherry Valley
Cherry
Cissna Park
Clifton
Coal City
Coleta
Como
Compton
Cornell
Cortland
Crescent City
Crest Hill
Creston
Crystal Lake
Crystal Lawns
Cullom
Dakota
Dalzell
Dana
Danforth
Davis Junction
Davis
Dayton
De Pue
Deer Grove
DeKalb
Diamond
Dixon
Donovan
Dover
Durand
Dwight
Earlville
East Brooklyn
East Dubuque
Elizabeth
Elwood
Emington
Essex
Fairbury
Fairmont
Flanagan
Forrest
Forreston
Fox Lake
Frankfort Square
Frankfort
Franklin Grove
Freeport
Fulton
Galena
Garden Prairie
Gardner
Genoa
German Valley
Gilman
Godley
Grand Detour
Grand Ridge
Grant Park
Granville
Greenwood
Hanover
Harmon
Harvard
Hebron
Hennepin
Herscher
Hillcrest
Hinckley
Holiday Hills
Hollowayville
Homer Glen
Hooppole
Hopkins Park
Ingalls Park
Iroquois
Irwin
Island Lake
Johnsburg
Joliet
Kangley
Kankakee
Kempton
Kingston
Kinsman
Kirkland
La Moille
Ladd
Lake Holiday
Lake Summerset
Lakemoor
Lakewood Shores
Lakewood
Lanark
LaSalle
Leaf River
Lee
Leland
Lena
Leonore
Limestone
Lisbon
Lockport
Long Point
Lost Nation
Lostant
Loves Park
Lyndon
Machesney Park
Magnolia
Malden
Malta
Manhattan
Manlius
Manteno
Maple Park
Marengo
Mark
Marseilles
Martinton
Mazon
McCullom Lake
McHenry
McNabb
Mendota
Menominee
Milford
Millbrook
Milledgeville
Millington
Minooka
Mokena
Momence
Monroe Center
Morris
Morrison
Mount Carroll
Mount Morris
Naplate
Nelson
New Bedford
New Lenox
New Milford
Newark
Nora
North Utica
Odell
Oglesby
Ohio
Onarga
Orangeville
Oregon
Ottawa
Papineau
Paw Paw
Pearl City
Pecatonica
Peru
Piper City
Pistakee Highlands
Plainfield
Plattville
Polo
Pontiac
Poplar Grove
Prairie Grove
Preston Heights
Princeton
Prophetstown
Ransom
Reddick
Richmond
Ridott
Ringwood
Rochelle
Rock City
Rock Falls
Rockdale
Rockford
Rockton
Romeoville
Roscoe
Rutland
Sammons Point
Sandwich
Saunemin
Savanna
Scales Mound
Seatonville
Seneca
Shabbona
Shannon
Sheffield
Sheldon
Sheridan
Shorewood
Somonauk
South Beloit
South Wilmington
Spring Grove
Spring Valley
St. Anne
Standard
Sterling
Steward
Stillman Valley
Stockton
Strawn
Streator
Sublette
Sun River Terrace
Sycamore
Symerton
Tampico
Thawville
The Galena Territory
Thomson
Timberlane
Tinley Park
Tiskilwa
Toluca
Tonica
Troy Grove
Union Hill
Union
Verona
Volo
Walnut
Warren
Waterman
Watseka
Wellington
Wenona
West Brooklyn
Wilmington
Winnebago
Winslow
Wonder Lake
Woodland
Woodstock
Wyanet

Is the 815 prefix always used in these locations?

These Illinois locations always use this prefix, however, it may happen that some locations have multiple area codes.

As a general rule, smartphones automatically indicate the location when they receive a call. For example, if you receive a call with area code 815, the phone will indicate that it is a call coming from the state of Illinois.

How do I call from abroad to a phone in a location with the 815 area code?

To call a phone to one of the locations listed above, you must dial the USA country code (+1), the dialing code 815, and the local phone number you wish to call:

+1 815 [Telephone number]

It should be remembered that making calls from abroad to a phone with a Illinois area code will cost more than making calls within the same country. The final cost of the international call will be defined by the telephone company with which the call is made.

What area code is 815 in Illinois?