National Phone Number Registry NPNR

Area Code 310 Location

Area code 310 is currently assigned for use in California since Nov 02, 1991. This area code originated from the 213 area code previously by means of area code split or overlay. View all phone prefixes used in area code 310 or other area codes in California.

(310)
Enter 7-digit phone number for area code 310 or the complete 10-digit phone number

Phone Prefixes for Area Code 310

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Area code Location Company / Service Provider
310-556 Beverly Hills, CA PACIFIC BELL
310-557 Beverly Hills, CA PACIFIC BELL
310-558 Culver City, CA PACIFIC BELL
310-559 Culver City, CA PACIFIC BELL
310-560 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-561 TORRANCE, CA T-MOBILE USA, INC.
310-562 W ANGELES, CA NEW CINGULAR WIRELESS PCS, LLC
310-563 EL SEGUNDO, CA PACIFIC BELL
310-564 Santa Monica, CA TNCI-OP-CO - CA
310-565 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-566 Santa Monica, CA U.S. TELEPACIFIC CORP. - CA
310-567 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-568 INGLEWOOD, CA PACIFIC BELL
310-569 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-570 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-571 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-572 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-573 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-574 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-575 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-576 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-577 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-578 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-579 MALIBU, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-580 Santa Monica, CA BROADWING COMMUNICATIONS, LLC - CA
310-581 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-582 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-583 Santa Monica, CA 33 WIRELESS INC.
310-584 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-585 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-586 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-587 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-588 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-589 MALIBU, CA FRONTIER CALIFORNIA INC.
310-590 INGLEWOOD, CA SPRINT SPECTRUM L.P.
310-591 Santa Monica / Mar Vista, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
310-592 W ANGELES, CA NEW CINGULAR WIRELESS PCS, LLC
310-593 Santa Monica, CA ALLEGIANCE TELECOM, INC. - CA
310-594 GARDENA, CA SPRINT SPECTRUM L.P.
310-595 Beverly Hills, CA MCIMETRO ACCESS TRANSMISSION SERVICES LLC
310-596 Culver City, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-597 W ANGELES, CA LEVEL 3 COMMUNICATIONS, LLC - CA
310-598 Beverly Hills, CA AT&T LOCAL
310-599 COMPTON, CA 33 WIRELESS INC.
310-600 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-601 Beverly Hills, CA PACIFIC BELL
310-602 LOMITA, CA XO CALIFORNIA, INC.
310-603 COMPTON, CA PACIFIC BELL
310-604 COMPTON, CA PACIFIC BELL
310-605 COMPTON, CA PACIFIC BELL
New numbers being added to 310 area code
Effective: 05/05/2017
310-620 in BEVERLY HILLS, CA
INTEGRATED PATH COMMUNICATIONS, LLC - CA
310 Area Code Information
Type of code: General Purpose Code
Location: CA - US
Time zone: P
Assigned for use: Yes
Code in service: Yes
Service date: November 02, 1991
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 347 250 IL90/08-055
Overlay code: Yes
Overlay complex: 310/424
Dialing plan Standard Permissive
Home local calls: 1+10D NA
Foreign local calls: 1+10D NA
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -
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