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Area codes 815 and 779 are telephone area codes in the North American Numbering Plan (NANP) for most of northern Illinois outside the Quad Cities areas. It also serves the Joliet area and some of Chicago’s western and northwestern suburbs. 815 was one of the four original Illinois area codes set up in 1947.
Jan 18, 2011 · Area code 779 serves the state of Illinois. This area code was assigned on February 6th, 2004. On March 17th, 2007 it went into service. 779 is a General Purpose Code. 779 service area does overlap with 815 area codes. Dialing pattern for local calls within the same NPA (area code) is 1+10D.
Area code 815 serves the state of Illinois. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 815 is a General Purpose Code. 815 service area does overlap with 779 area codes. Dialing pattern for local calls within the same NPA (area code) is 1+10D.
Current time: 4:09pm. Country: US. Current Overlays: 779 / 815. Timeline: - 1947: Area code 815 was established in Illinois. - 1957: Area code 815 was split, and part of it, along with a part of area code 217, was used to create area code 309.
Area codes 815 and 779 is a telephone area code in the North American Numbering Plan (NANP) serving the state of Illinois in the United States. It covers the northwestern part of Illinois, including cities such as Rockford, Joliet, and DeKalb. 815 was created in 1947 as one of the original area codes assigned to Illinois.
Jul 1, 2024 · 815 Area Code located in Illinois, including 196 cities, 26 counties, 1 time zone, map, Census demographics, and 782 active prefixes.
Jul 1, 2024 · 779 Area Code located in Illinois, including 122 cities, 23 counties, 1 time zone, map, Census demographics, and 266 active prefixes.
Area codes 779 and 815 serve a large area of northern Illiois including the larger cities and communities of Crystal Lake, DeKalb, Freeport, Joliet, Kankakee, Loves Park, Machesney Park, McHenry, Rockford, Romeoville and Woodstock, in addition to many smaller communities within the service area.
Area code 779 is located in NW Illinois and includes Rockford. View the 779 area code map, major cities, location, timezone and more on TeraCodes.com.
List of Wisconsin area codes. The U.S. state of Wisconsin is serviced in five distinct numbering plan areas (NPAs) with the following area codes of the North American Numbering Plan (NANP). Area codes 414 and 715 were among the original North American area codes assigned in 1947.
