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
310-402 Beverly Hills, CA LEVEL 3 COMMUNICATIONS, LLC - CA
310-403 Santa Monica, CA SPRINT SPECTRUM L.P.
310-404 GARDENA, CA AT&T LOCAL
310-405 W ANGELES, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-406 REDONDO, CA FRONTIER CALIFORNIA INC.
310-407 Beverly Hills, CA PACIFIC BELL
310-408 TORRANCE, CA NEW CINGULAR WIRELESS PCS, LLC
310-409 Beverly Hills, CA O1 COMMUNICATIONS, INC. - CA
310-410 INGLEWOOD, CA PACIFIC BELL
310-412 INGLEWOOD, CA PACIFIC BELL
310-413 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-414 EL SEGUNDO, CA PACIFIC BELL
310-415 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-416 EL SEGUNDO, CA PACIFIC BELL
310-417 INGLEWOOD, CA PACIFIC BELL
310-418 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-419 INGLEWOOD, CA PACIFIC BELL
310-420 Santa Monica, CA SPRINT SPECTRUM L.P.
310-421 REDONDO, CA TNCI-OP-CO - CA
310-422 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-423 Beverly Hills, CA PACIFIC BELL
310-424 Beverly Hills, CA PAETEC COMMUNICATIONS, INC. - CA
310-425 Culver City, CA XO CALIFORNIA, INC.
310-426 EL SEGUNDO, CA PACIFIC BELL
310-427 SAN PEDRO, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-428 Santa Monica, CA SPRINT SPECTRUM L.P.
310-429 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-430 Santa Monica, CA T-MOBILE USA, INC.
310-431 INGLEWOOD, CA NEW CINGULAR WIRELESS PCS, LLC
310-432 Beverly Hills, CA U.S. TELEPACIFIC CORP. - CA
310-433 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-434 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-435 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-436 GARDENA, CA U.S. TELEPACIFIC CORP. - CA
310-437 Santa Monica / Mar Vista, CA XO CALIFORNIA, INC.
310-438 COMPTON, CA T-MOBILE USA, INC.
310-439 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-440 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-441 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-442 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-443 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-444 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-445 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-446 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-447 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-448 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-449 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-450 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-451 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-452 Santa Monica, CA FRONTIER CALIFORNIA INC.
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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