858 Area Code

State: California

Major City: Sacramento

  • Admission to Statehood:
    September 9, 1850 (31st State)
  • Constitution:
    California's Constitution , 31st State
  • Nickname:
    Golden State
  • Population (2013):
    38,332,521; Rank: 1 of 50 | Population Quick Facts

Area:

  • Area: 163,707 sq.mi (423,999 sq.km.), 3rd
  • Land: 155,973 sq.mi. (403,969 sq.km.), 3rd
  • Water: 7,734 sq.mi. (20,031 sq.km.), 6th
  • Coastline: 840 mi. (1,352 km.), 3rd
  • Shoreline: 3,427 mi. (5,515 km.), 5th

Area Code 858

Map:

Area Code Prefix Usage Primary City Carrier Introduced
858 (858) 200- Landline La Jolla U.s. Telepacific Corp. 07/22/1999
858 (858) 201- Landline San Diego Level 3 Communications 10/13/1999
858 (858) 202- Landline La Jolla Pacific Bell 06/30/2001
858 (858) 204- Wireless San Diego Cellco Partnership DBA Verizon Wireless 06/30/2001
858 (858) 205- Wireless San Diego T-mobile Usa 01/16/2002
858 (858) 206- Landline Poway Ymax Communications Corp. 11/21/2006
858 (858) 207- Landline Rancho Bernardo Teleport Communications America 07/22/1999
858 (858) 208- Landline San Diego O1 Communications 06/30/2001
858 (858) 210- Wireless La Jolla Cellco Partnership DBA Verizon Wireless 07/21/2008
858 (858) 212- Wireless San Diego Sprint Spectrum L.p. 08/20/2000
858 (858) 213- Wireless San Diego Sprint Spectrum L.p. 08/20/2000
858 (858) 215- Landline San Diego Pacific Bell 03/30/2007
858 (858) 216- Landline San Diego U.s. Telepacific Corp. 08/20/2000
858 (858) 217- Landline San Diego U.s. Telepacific Corp. 08/20/2000
858 (858) 218- Landline San Diego U.s. Telepacific Corp. 08/20/2000
858 (858) 219- Wireless San Diego American Messaging Services 03/03/2001
858 (858) 220- Wireless La Jolla Sprint Spectrum L.p. 01/18/2002
858 (858) 222- Landline La Jolla Ymax Communications Corp. 10/13/2008
858 (858) 223- Landline San Diego Onvoy 06/10/2013
858 (858) 224- Landline San Diego Cbeyond Communications 11/06/2009
858 (858) 225- Landline San Diego Pac - West Telecomm 03/03/2001
858 (858) 227- Landline San Diego Xo California 08/20/2000
858 (858) 228- Landline La Jolla Xo California 08/20/2000
858 (858) 229- Wireless San Diego Cellco Partnership DBA Verizon Wireless 09/13/2001
858 (858) 230- Landline San Diego Sbc Internet Services 08/23/2011
858 (858) 231- Wireless Poway T-mobile Usa 12/14/2001
858 (858) 232- Wireless La Jolla New Cingular Wireless PCS 08/20/2000
858 (858) 233- Landline La Jolla North County Communications Corp. 08/20/2000
858 (858) 234- Landline Rancho Bernardo North County Communications Corp. 08/20/2000
858 (858) 236- Landline Poway North County Communications Corp. 08/20/2000
858 (858) 237- Landline San Diego North County Communications Corp. 08/20/2000
858 (858) 240- Landline San Diego Tw Telecom Of California Lp 10/13/1999
858 (858) 242- Wireless San Diego New Cingular Wireless PCS 06/20/2011
858 (858) 243- Wireless San Diego Cellco Partnership DBA Verizon Wireless 05/17/2001
858 (858) 244- Landline San Diego Xo California 10/13/1999
858 (858) 245- Wireless La Jolla Cellco Partnership DBA Verizon Wireless 09/17/2001
858 (858) 246- Landline La Jolla Tw Telecom Of California Lp 07/03/2007
858 (858) 248- Wireless Poway Cellco Partnership DBA Verizon Wireless 10/18/2001
858 (858) 249- Wireless San Diego New Cingular Wireless PCS 10/04/2012
858 (858) 251- Landline San Diego Peerless Network Of California 06/29/2012
858 (858) 254- Wireless San Diego Sprint Spectrum L.p. 10/13/1999
858 (858) 255- Landline La Jolla Teleport Communications America 02/02/2011
858 (858) 256- Landline San Diego Cox California Telcom, L.l.c. 03/10/2013
858 (858) 259- Landline Del Mar Pacific Bell 07/22/1999
858 (858) 260- Wireless La Jolla T-mobile Usa 07/22/2013
858 (858) 263- Landline San Diego Time Warner Cbl Info Svcs (ca) DBAtime Warner Cbl 03/12/2013
858 (858) 266- Landline San Diego Pacific Bell 11/08/2013
858 (858) 268- Landline San Diego Pacific Bell 07/22/1999
858 (858) 270- Landline La Jolla Pacific Bell 07/22/1999
858 (858) 271- Landline San Diego Pacific Bell 07/22/1999
Area Code: 858
Prefix: (858) 200-
Usage: Landline
Primary City: La Jolla
Carrier: U.s. Telepacific Corp.
Introduced: 07/22/1999
Area Code: 858
Prefix: (858) 201-
Usage: Landline
Primary City: San Diego
Carrier: Level 3 Communications
Introduced: 10/13/1999
Area Code: 858
Prefix: (858) 202-
Usage: Landline
Primary City: La Jolla
Carrier: Pacific Bell
Introduced: 06/30/2001
Area Code: 858
Prefix: (858) 204-
Usage: Wireless
Primary City: San Diego
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 06/30/2001
Area Code: 858
Prefix: (858) 205-
Usage: Wireless
Primary City: San Diego
Carrier: T-mobile Usa
Introduced: 01/16/2002
Area Code: 858
Prefix: (858) 206-
Usage: Landline
Primary City: Poway
Carrier: Ymax Communications Corp.
Introduced: 11/21/2006
Area Code: 858
Prefix: (858) 207-
Usage: Landline
Primary City: Rancho Bernardo
Carrier: Teleport Communications America
Introduced: 07/22/1999
Area Code: 858
Prefix: (858) 208-
Usage: Landline
Primary City: San Diego
Carrier: O1 Communications
Introduced: 06/30/2001
Area Code: 858
Prefix: (858) 210-
Usage: Wireless
Primary City: La Jolla
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 07/21/2008
Area Code: 858
Prefix: (858) 212-
Usage: Wireless
Primary City: San Diego
Carrier: Sprint Spectrum L.p.
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 213-
Usage: Wireless
Primary City: San Diego
Carrier: Sprint Spectrum L.p.
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 215-
Usage: Landline
Primary City: San Diego
Carrier: Pacific Bell
Introduced: 03/30/2007
Area Code: 858
Prefix: (858) 216-
Usage: Landline
Primary City: San Diego
Carrier: U.s. Telepacific Corp.
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 217-
Usage: Landline
Primary City: San Diego
Carrier: U.s. Telepacific Corp.
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 218-
Usage: Landline
Primary City: San Diego
Carrier: U.s. Telepacific Corp.
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 219-
Usage: Wireless
Primary City: San Diego
Carrier: American Messaging Services
Introduced: 03/03/2001
Area Code: 858
Prefix: (858) 220-
Usage: Wireless
Primary City: La Jolla
Carrier: Sprint Spectrum L.p.
Introduced: 01/18/2002
Area Code: 858
Prefix: (858) 222-
Usage: Landline
Primary City: La Jolla
Carrier: Ymax Communications Corp.
Introduced: 10/13/2008
Area Code: 858
Prefix: (858) 223-
Usage: Landline
Primary City: San Diego
Carrier: Onvoy
Introduced: 06/10/2013
Area Code: 858
Prefix: (858) 224-
Usage: Landline
Primary City: San Diego
Carrier: Cbeyond Communications
Introduced: 11/06/2009
Area Code: 858
Prefix: (858) 225-
Usage: Landline
Primary City: San Diego
Carrier: Pac - West Telecomm
Introduced: 03/03/2001
Area Code: 858
Prefix: (858) 227-
Usage: Landline
Primary City: San Diego
Carrier: Xo California
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 228-
Usage: Landline
Primary City: La Jolla
Carrier: Xo California
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 229-
Usage: Wireless
Primary City: San Diego
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 09/13/2001
Area Code: 858
Prefix: (858) 230-
Usage: Landline
Primary City: San Diego
Carrier: Sbc Internet Services
Introduced: 08/23/2011
Area Code: 858
Prefix: (858) 231-
Usage: Wireless
Primary City: Poway
Carrier: T-mobile Usa
Introduced: 12/14/2001
Area Code: 858
Prefix: (858) 232-
Usage: Wireless
Primary City: La Jolla
Carrier: New Cingular Wireless PCS
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 233-
Usage: Landline
Primary City: La Jolla
Carrier: North County Communications Corp.
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 234-
Usage: Landline
Primary City: Rancho Bernardo
Carrier: North County Communications Corp.
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 236-
Usage: Landline
Primary City: Poway
Carrier: North County Communications Corp.
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 237-
Usage: Landline
Primary City: San Diego
Carrier: North County Communications Corp.
Introduced: 08/20/2000
Area Code: 858
Prefix: (858) 240-
Usage: Landline
Primary City: San Diego
Carrier: Tw Telecom Of California Lp
Introduced: 10/13/1999
Area Code: 858
Prefix: (858) 242-
Usage: Wireless
Primary City: San Diego
Carrier: New Cingular Wireless PCS
Introduced: 06/20/2011
Area Code: 858
Prefix: (858) 243-
Usage: Wireless
Primary City: San Diego
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 05/17/2001
Area Code: 858
Prefix: (858) 244-
Usage: Landline
Primary City: San Diego
Carrier: Xo California
Introduced: 10/13/1999
Area Code: 858
Prefix: (858) 245-
Usage: Wireless
Primary City: La Jolla
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 09/17/2001
Area Code: 858
Prefix: (858) 246-
Usage: Landline
Primary City: La Jolla
Carrier: Tw Telecom Of California Lp
Introduced: 07/03/2007
Area Code: 858
Prefix: (858) 248-
Usage: Wireless
Primary City: Poway
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/18/2001
Area Code: 858
Prefix: (858) 249-
Usage: Wireless
Primary City: San Diego
Carrier: New Cingular Wireless PCS
Introduced: 10/04/2012
Area Code: 858
Prefix: (858) 251-
Usage: Landline
Primary City: San Diego
Carrier: Peerless Network Of California
Introduced: 06/29/2012
Area Code: 858
Prefix: (858) 254-
Usage: Wireless
Primary City: San Diego
Carrier: Sprint Spectrum L.p.
Introduced: 10/13/1999
Area Code: 858
Prefix: (858) 255-
Usage: Landline
Primary City: La Jolla
Carrier: Teleport Communications America
Introduced: 02/02/2011
Area Code: 858
Prefix: (858) 256-
Usage: Landline
Primary City: San Diego
Carrier: Cox California Telcom, L.l.c.
Introduced: 03/10/2013
Area Code: 858
Prefix: (858) 259-
Usage: Landline
Primary City: Del Mar
Carrier: Pacific Bell
Introduced: 07/22/1999
Area Code: 858
Prefix: (858) 260-
Usage: Wireless
Primary City: La Jolla
Carrier: T-mobile Usa
Introduced: 07/22/2013
Area Code: 858
Prefix: (858) 263-
Usage: Landline
Primary City: San Diego
Carrier: Time Warner Cbl Info Svcs (ca) DBAtime Warner Cbl
Introduced: 03/12/2013
Area Code: 858
Prefix: (858) 266-
Usage: Landline
Primary City: San Diego
Carrier: Pacific Bell
Introduced: 11/08/2013
Area Code: 858
Prefix: (858) 268-
Usage: Landline
Primary City: San Diego
Carrier: Pacific Bell
Introduced: 07/22/1999
Area Code: 858
Prefix: (858) 270-
Usage: Landline
Primary City: La Jolla
Carrier: Pacific Bell
Introduced: 07/22/1999
Area Code: 858
Prefix: (858) 271-
Usage: Landline
Primary City: San Diego
Carrier: Pacific Bell
Introduced: 07/22/1999