The 815 Area Code (or Area Code 815) is located in the state of IL. Area Code 815 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2.27 million unique phone numbers and 7.92 million individuals near the city of La Salle
Area code 815 was put into service. In 1957 area code 815 was split, along with a portion of area code 217, to form area code 309. In 2007 area code 815 was overlaid with area code 779.
State: Illinois - IL
Major City: Rockford
Land area: 57,914 sq mi (149,932 km2)
Illinois - IL, The average home value is $43.4K.
Illinois - IL, The average resident's age is 56 y/o.
Illinois - IL, Income average is $43.1K.
State Population in Area Code 201: 12,801,539.
Latitude: 36° 58′ N to 42° 30′ N Longitude: 87° 30′ W to 91° 31′ W
Time zone in Area Code 201: Central 20:59:08.
Major Cities in Area Code 815: Crystal Lake, IL>De Kalb, IL>Freeport, IL>Joliet, IL>Kankakee, IL>Loves Park, IL>Machesney Park, IL>Mchenry, IL>Rockford, IL>Romeoville, IL>Woodstock, IL