Active Prefixes in Area Code 815

Prefix Primary City Phone Type Company
815-231-#### Rockford Landline Numbers Ameritech Illinois...
815-232-#### Freeport Landline Numbers Frontier North, Inc....
815-233-#### Freeport Landline Numbers Frontier North, Inc....
815-234-#### Byron Landline Numbers Frontier North, Inc....
815-235-#### Freeport Landline Numbers Frontier North, Inc....
815-236-#### Woodstock Wireless Numbers New Cingular Wireles...
815-237-#### Gardner Landline Numbers Ameritech Illinois...
815-238-#### Freeport Wireless Numbers Cellco Partnership D...
815-239-#### Pecatonica Landline Numbers Frontier North, Inc....
815-240-#### Rockford Landline Numbers Charter Fiberlink - ...
815-241-#### Northbrook Landline Numbers American Messaging (...
815-242-#### Rockford Wireless Numbers Usa Mobility Wireles...
815-243-#### Rockford Wireless Numbers United States Cellul...
815-244-#### Mount Carroll Landline Numbers Gallatin River Commu...
815-245-#### Woodstock Wireless Numbers New Cingular Wireles...
815-246-#### Earlville Landline Numbers Frontier North, Inc....
815-247-#### Pecatonica Landline Numbers Frontier North, Inc....
815-248-#### Durand Landline Numbers Frontier North, Inc....
815-249-#### Grand Ridge Landline Numbers Frontier North, Inc....
815-250-#### La Salle Landline Numbers Comcast Phone Of Ill...
815-251-#### Rock Falls Landline Numbers Gallatin River Commu...
815-252-#### Oglesby Wireless Numbers New Cingular Wireles...
815-253-#### Kempton Landline Numbers Frontier Communicati...
815-254-#### Plainfield Landline Numbers Ameritech Illinois...
815-255-#### Minooka Landline Numbers Us Xchange Of Illino...
815-256-#### Stelle Landline Numbers Stelle Telephone Co....
815-257-#### Streator Landline Numbers Illinois Valley Cell...
815-258-#### Joliet Wireless Numbers New Cingular Wireles...
815-259-#### Thomson Landline Numbers Gallatin River Commu...
815-260-#### Joliet Wireless Numbers United States Cellul...
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Area Code 815 Introduction

Area Code:815
Country:United States
State/Province:Illinois - IL
Major City:Rockford
Time Zone:Central
Average property$43.4K
Average age 56 y/o
Average assets $43.1K
Population density 57,914 sq mi (149,932 km2)
Population 12,801,539
latitude Longitude:
36° 58′ N to 42° 30′ N / 87° 30′ W to 91° 31′ W
About 815 :
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.
Major cities or places
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