815 Area Code

State: Illinois

Major City: Springfield

  • Admission to Statehood:
    December 3, 1818 (21st State)
  • Constitution:
    Illinois's Constitution , 21st State
  • Nickname:
    Prairie State
  • Population (2013):
    12,882,135; Rank: 5 of 50 | Population Quick Facts

Area:

  • Area: 57,918 sq.mi (150,007 sq.km.), 25th
  • Land: 55,593 sq.mi. (143,985 sq.km.), 24th
  • Water: 2,325 sq.mi. (6,022 sq.km.), 20th
  • Great Lakes: 2,546 sq.mi. (6,594 sq.km.),tied for 5th

Area Code 815

Map:

Area Code Prefix Usage Primary City Carrier Introduced
815 (815) 200- Landline La Salle Paetec Communications 06/20/2006
815 (815) 201- Wireless Rockford Bandwidth.com Clec 08/15/2012
815 (815) 202- Wireless Oglesby New Cingular Wireless PCS 04/08/2008
815 (815) 203- Wireless Joliet Usa Mobility Wireless 01/25/1998
815 (815) 204- Wireless Crystal Lake Usa Mobility Wireless 01/25/1998
815 (815) 205- Wireless La Grange Park Centurylink Communications LLC 01/31/2014
815 (815) 206- Landline Woodstock Ameritech Illinois 08/20/2000
815 (815) 207- Landline Joliet AT&T; Local 08/14/1998
815 (815) 208- Landline Fulton Mediacom Telephony Of Illinois 06/01/2006
815 (815) 209- Landline Rockford Level 3 Communications 02/04/2002
815 (815) 210- Wireless Joliet New Cingular Wireless PCS 08/20/2000
815 (815) 212- Landline Joliet T-mobile Usa 08/14/1998
815 (815) 213- Wireless Sterling United States Cellular Corp. - Illinois 09/29/2004
815 (815) 214- Landline Kankakee Rcn Telecom Services Of Illinois 05/10/1999
815 (815) 215- Landline New Lenox First Communications LLC 02/04/2002
815 (815) 216- Wireless Kankakee Cellco Partnership DBA Verizon Wireless 10/31/2000
815 (815) 217- Landline Dekalb Digital Network Access Communications 02/16/2006
815 (815) 218- Wireless Rockford Cellco Partnership DBA Verizon Wireless 01/25/1998
815 (815) 219- Wireless Crystal Lake Sprint Spectrum L.p. 06/06/2006
815 (815) 220- Landline La Salle Ameritech Illinois 10/13/1999
815 (815) 221- Landline Lockport Teleport Communications America 10/15/1996
815 (815) 222- Wireless Rockford Cellco Partnership DBA Verizon Wireless 01/25/1998
815 (815) 223- Landline La Salle Ameritech Illinois 02/04/1994
815 (815) 224- Landline La Salle Ameritech Illinois 02/04/1994
815 (815) 225- Landline Milledgeville Citizens Telecom Co Illinois-frontier Citizens -il 02/04/1994
815 (815) 226- Landline Rockford Ameritech Illinois 02/04/1994
815 (815) 227- Landline Rockford Ameritech Illinois 02/04/1994
815 (815) 228- Wireless Oglesby New Cingular Wireless PCS 02/04/1994
815 (815) 229- Landline Rockford Ameritech Illinois 02/04/1994
815 (815) 230- Landline Plainfield Broadwing Communications 10/13/1999
815 (815) 231- Landline Rockford Ameritech Illinois 09/11/1994
815 (815) 232- Landline Freeport Frontier North 02/04/1994
815 (815) 233- Landline Freeport Frontier North 02/04/1994
815 (815) 234- Landline Byron Frontier North 02/04/1994
815 (815) 235- Landline Freeport Frontier North 02/04/1994
815 (815) 236- Wireless Woodstock New Cingular Wireless PCS 02/04/1994
815 (815) 237- Landline Gardner Ameritech Illinois 02/04/1994
815 (815) 238- Wireless Freeport Cellco Partnership DBA Verizon Wireless 02/04/1994
815 (815) 239- Landline Pecatonica Frontier North 02/04/1994
815 (815) 240- Landline Rockford Charter Fiberlink - Illinois 10/18/2010
815 (815) 241- Wireless Northbrook American Messaging (am) 04/15/1996
815 (815) 242- Wireless Rockford Bandwidth.com Clec 05/02/2014
815 (815) 243- Wireless Rockford United States Cellular Corp. - Illinois 10/15/1996
815 (815) 244- Landline Mt Carroll Gallatin River Communications DBA Centurylink 02/04/1994
815 (815) 245- Wireless Woodstock New Cingular Wireless PCS 02/04/1994
815 (815) 246- Landline Earlville Frontier North 02/04/1994
815 (815) 247- Landline Pecatonica Frontier North 02/04/1994
815 (815) 248- Landline Durand Frontier North 02/04/1994
815 (815) 249- Landline Grand Ridge Frontier North 02/04/1994
815 (815) 250- Landline La Salle Comcast Phone Of Illinois DBA Comco 08/25/2006
Area Code: 815
Prefix: (815) 200-
Usage: Landline
Primary City: La Salle
Carrier: Paetec Communications
Introduced: 06/20/2006
Area Code: 815
Prefix: (815) 201-
Usage: Wireless
Primary City: Rockford
Carrier: Bandwidth.com Clec
Introduced: 08/15/2012
Area Code: 815
Prefix: (815) 202-
Usage: Wireless
Primary City: Oglesby
Carrier: New Cingular Wireless PCS
Introduced: 04/08/2008
Area Code: 815
Prefix: (815) 203-
Usage: Wireless
Primary City: Joliet
Carrier: Usa Mobility Wireless
Introduced: 01/25/1998
Area Code: 815
Prefix: (815) 204-
Usage: Wireless
Primary City: Crystal Lake
Carrier: Usa Mobility Wireless
Introduced: 01/25/1998
Area Code: 815
Prefix: (815) 205-
Usage: Wireless
Primary City: La Grange Park
Carrier: Centurylink Communications LLC
Introduced: 01/31/2014
Area Code: 815
Prefix: (815) 206-
Usage: Landline
Primary City: Woodstock
Carrier: Ameritech Illinois
Introduced: 08/20/2000
Area Code: 815
Prefix: (815) 207-
Usage: Landline
Primary City: Joliet
Carrier: AT&T; Local
Introduced: 08/14/1998
Area Code: 815
Prefix: (815) 208-
Usage: Landline
Primary City: Fulton
Carrier: Mediacom Telephony Of Illinois
Introduced: 06/01/2006
Area Code: 815
Prefix: (815) 209-
Usage: Landline
Primary City: Rockford
Carrier: Level 3 Communications
Introduced: 02/04/2002
Area Code: 815
Prefix: (815) 210-
Usage: Wireless
Primary City: Joliet
Carrier: New Cingular Wireless PCS
Introduced: 08/20/2000
Area Code: 815
Prefix: (815) 212-
Usage: Landline
Primary City: Joliet
Carrier: T-mobile Usa
Introduced: 08/14/1998
Area Code: 815
Prefix: (815) 213-
Usage: Wireless
Primary City: Sterling
Carrier: United States Cellular Corp. - Illinois
Introduced: 09/29/2004
Area Code: 815
Prefix: (815) 214-
Usage: Landline
Primary City: Kankakee
Carrier: Rcn Telecom Services Of Illinois
Introduced: 05/10/1999
Area Code: 815
Prefix: (815) 215-
Usage: Landline
Primary City: New Lenox
Carrier: First Communications LLC
Introduced: 02/04/2002
Area Code: 815
Prefix: (815) 216-
Usage: Wireless
Primary City: Kankakee
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/31/2000
Area Code: 815
Prefix: (815) 217-
Usage: Landline
Primary City: Dekalb
Carrier: Digital Network Access Communications
Introduced: 02/16/2006
Area Code: 815
Prefix: (815) 218-
Usage: Wireless
Primary City: Rockford
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/25/1998
Area Code: 815
Prefix: (815) 219-
Usage: Wireless
Primary City: Crystal Lake
Carrier: Sprint Spectrum L.p.
Introduced: 06/06/2006
Area Code: 815
Prefix: (815) 220-
Usage: Landline
Primary City: La Salle
Carrier: Ameritech Illinois
Introduced: 10/13/1999
Area Code: 815
Prefix: (815) 221-
Usage: Landline
Primary City: Lockport
Carrier: Teleport Communications America
Introduced: 10/15/1996
Area Code: 815
Prefix: (815) 222-
Usage: Wireless
Primary City: Rockford
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/25/1998
Area Code: 815
Prefix: (815) 223-
Usage: Landline
Primary City: La Salle
Carrier: Ameritech Illinois
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 224-
Usage: Landline
Primary City: La Salle
Carrier: Ameritech Illinois
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 225-
Usage: Landline
Primary City: Milledgeville
Carrier: Citizens Telecom Co Illinois-frontier Citizens -il
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 226-
Usage: Landline
Primary City: Rockford
Carrier: Ameritech Illinois
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 227-
Usage: Landline
Primary City: Rockford
Carrier: Ameritech Illinois
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 228-
Usage: Wireless
Primary City: Oglesby
Carrier: New Cingular Wireless PCS
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 229-
Usage: Landline
Primary City: Rockford
Carrier: Ameritech Illinois
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 230-
Usage: Landline
Primary City: Plainfield
Carrier: Broadwing Communications
Introduced: 10/13/1999
Area Code: 815
Prefix: (815) 231-
Usage: Landline
Primary City: Rockford
Carrier: Ameritech Illinois
Introduced: 09/11/1994
Area Code: 815
Prefix: (815) 232-
Usage: Landline
Primary City: Freeport
Carrier: Frontier North
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 233-
Usage: Landline
Primary City: Freeport
Carrier: Frontier North
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 234-
Usage: Landline
Primary City: Byron
Carrier: Frontier North
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 235-
Usage: Landline
Primary City: Freeport
Carrier: Frontier North
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 236-
Usage: Wireless
Primary City: Woodstock
Carrier: New Cingular Wireless PCS
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 237-
Usage: Landline
Primary City: Gardner
Carrier: Ameritech Illinois
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 238-
Usage: Wireless
Primary City: Freeport
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 239-
Usage: Landline
Primary City: Pecatonica
Carrier: Frontier North
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 240-
Usage: Landline
Primary City: Rockford
Carrier: Charter Fiberlink - Illinois
Introduced: 10/18/2010
Area Code: 815
Prefix: (815) 241-
Usage: Wireless
Primary City: Northbrook
Carrier: American Messaging (am)
Introduced: 04/15/1996
Area Code: 815
Prefix: (815) 242-
Usage: Wireless
Primary City: Rockford
Carrier: Bandwidth.com Clec
Introduced: 05/02/2014
Area Code: 815
Prefix: (815) 243-
Usage: Wireless
Primary City: Rockford
Carrier: United States Cellular Corp. - Illinois
Introduced: 10/15/1996
Area Code: 815
Prefix: (815) 244-
Usage: Landline
Primary City: Mt Carroll
Carrier: Gallatin River Communications DBA Centurylink
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 245-
Usage: Wireless
Primary City: Woodstock
Carrier: New Cingular Wireless PCS
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 246-
Usage: Landline
Primary City: Earlville
Carrier: Frontier North
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 247-
Usage: Landline
Primary City: Pecatonica
Carrier: Frontier North
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 248-
Usage: Landline
Primary City: Durand
Carrier: Frontier North
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 249-
Usage: Landline
Primary City: Grand Ridge
Carrier: Frontier North
Introduced: 02/04/1994
Area Code: 815
Prefix: (815) 250-
Usage: Landline
Primary City: La Salle
Carrier: Comcast Phone Of Illinois DBA Comco
Introduced: 08/25/2006