The 815 area code belongs to the state of Illinois ( IL) population, house ea code 815 is a telephone area code for most of northern Illinois outside the Chicago , IL, household income, Rockford , some of the locations covered are Joliet, are acodes, zip codes, ea Code 815, area codes, maps, county Quad Cities areas. 11 million individuals near the city of Rockford. More About Area Code 815 Area code 815 is one of the original 86 area codes created by AT& T and the Bell System in 1947. Area Code 815 is in Illinois and covers 11849. It covers roughly 2.
In the original North American Numbering Plan of 1947 central Illinois was 217, all of the Chicago area was covered by area code 312, the rest of northern Illinois was 815 southern Illinois was 618. First, Illinois area codes by city are shown for the largest ea Code Map for Illinois. 32 million unique phone numbers and 5. 815 area code map illinois.
Illinois ( IL) Area Code 815 covers 26 Counties. 815 area code map illinois. In 1966, area code 309 was split off to cover western central Illinois ( which was previously the southwestern part of area code 815).
More About Area Code 815 Area code 815 is one of the original 86 area codes created by AT& T and the Bell System in 1947. Area Code 815 is in Illinois and covers 11849. It covers roughly 2.
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Area Code 815 is one of the 269 3- digit telephone area codes in the USA. The area code listing below lists area codes in several sections. It originally served northern Illinois except Chicago and Quad ea code 815 is found in the US state of Illinois. 815 was one of the four original Illinois area codes set up in 1947.The 815 Area Code ( or Area Code 815) is located in the state of IL. People Search; Phone Search. Single Area Code Multiple Area Codes Area Code Boundary.
Each of the 13 area codes in Illinois are listed below. Browse all prefixes in Illinois.