815 Area Code

About Area Code 815

Area Code: 815
City: Belvidere
State: Illinois
County: Boone
Time Zone: America/Chicago
Latitude / Longitude: 42.050869166667, -88.6227275

Area code 815 is located in the United States and is used in the region around Belvidere, Illinois. It currently serves approximately 12 cities across 1 states.

In this dataset, area code 815 covers parts of Illinois. Major cities using this area code include Belvidere, Crystal Lake, Dekalb, Freeport, Joliet, Kankakee, Loves Park, Machesney Park, Mchenry, Rockford, and 2 more.

Cities in Area Code 815

Below is a list of cities that use area code 815 in this dataset:

Belvidere
Crystal Lake
Dekalb
Freeport
Joliet
Kankakee
Loves Park
Machesney Park
Mchenry
Rockford
Romeoville
Woodstock

Counties / Regions Covered

Area code 815 covers the following counties or regions:

Boone
DeKalb
Kankakee
McHenry
Stephenson
Will
Winnebago

Location and Coordinates

The approximate central location for area code 815 is near latitude 42.050869166667 and longitude -88.6227275. Individual city coordinates vary within the area code's coverage:

Belvidere, Illinois (lat 42.26391, lng -88.84427)
Crystal Lake, Illinois (lat 42.24113, lng -88.3162)
Dekalb, Illinois (lat 41.92947, lng -88.75036)
Freeport, Illinois (lat 42.29669, lng -89.62123)
Joliet, Illinois (lat 41.52519, lng -88.0834)
Kankakee, Illinois (lat 41.12003, lng -87.86115)
Loves Park, Illinois (lat 42.32002, lng -89.05816)
Machesney Park, Illinois (lat 42.34724, lng -89.039)
Mchenry, Illinois (lat 42.33335, lng -88.26675)
Rockford, Illinois (lat 42.27113, lng -89.094)
Romeoville, Illinois (lat 41.64753, lng -88.08951)
Woodstock, Illinois (lat 42.31474, lng -88.4487)

Time Zone Information

Based on the underlying city data, area code 815 is used in the following time zone(s): America/Chicago.

Related Area Code Pages

Explore related area code pages on Burning Compass:

All area codes in Illinois
Area codes for the city of Belvidere
Area codes in Boone