NPA - 858 California (CA)

The 858 Area Code is located in the state of California. Area Code 858 is one of the 312 three-digit telephone area codes in the USA. It covers roughly 214,032 unique phone numbers and 2,820,844 individuals near the cities of San Diego-Carlsbad.

NPA - 858 History: Area code 858 was put into service. Area code 858 was created from a split of area code 619.

There are a few special area codes with the last two digits 422 match, these are known as easily recognizable codes (ERCs). The 8xx set of numbers are reserved for toll-free services and communication.

Those numbers can be found in the following cities or locations: California (CA).

1. AreaCodes Directory
2. 858

858 Stats:

Cities in area code 858:

Del Mar, La Jolla, Poway, Rancho Bernardo, Rancho Santa Fe, San Diego.

Related phone operators in Area Code 858:

AT&T Local, American Messaging (am), American Messaging Services, Bandwidth.com Clec, Cbeyond Communications, Cellco Partnership DBA Verizon Wireless, Cf Communications DBA Telekenex, Cox California Telcom, L.l.c., Global Crossing Local Services-ca, Leap Wireless Intl DBA Cricket Comm, Level 3 Communications, Mci Worldcom Communications, Ca, Mpower Communications Corp, Network Services LLC (tsr), Neutral Tandem-california, New Cingular Wireless PCS, North County Communications Corp., O1 Communications, Onvoy, Pac - West Telecomm, Pacific Bell, Paetec Communications, Peerless Network Of California, Sbc Internet Services, Sprint Spectrum L.p., T-mobile Usa, Telcentris Communications, Teleport Communications America, Time Warner Cbl Info Svcs (ca) DBAtime Warner, Tw Telecom Of California Lp, U.s. Telepacific Corp., Usa Mobility Wireless, Vaya Telecom, Xo California, Ymax Communications Corp..