National Phone Number Registry NPNR

(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
310-453 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-454 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-455 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-456 MALIBU, CA FRONTIER CALIFORNIA INC.
310-457 MALIBU, CA FRONTIER CALIFORNIA INC.
310-458 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-459 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-460 Santa Monica, CA XO CALIFORNIA, INC.
310-461 Beverly Hills, CA U.S. TELEPACIFIC CORP. - CA
310-462 INGLEWOOD, CA SPRINT SPECTRUM L.P.
310-463 Santa Monica, CA NEW CINGULAR WIRELESS PCS, LLC
310-464 GARDENA, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
310-465 REDONDO, CA FRONTIER CALIFORNIA INC.
310-466 Santa Monica, CA SPRINT SPECTRUM L.P.
310-467 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-468 TORRANCE, CA PACIFIC BELL
310-469 EL SEGUNDO, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
310-470 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-471 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-472 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-473 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-474 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-475 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-476 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-477 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-478 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-479 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-480 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-481 W ANGELES, CA PACIFIC BELL - CLEC
310-482 Santa Monica / Mar Vista, CA PACIFIC BELL - CLEC
310-483 TORRANCE, CA BROADWING COMMUNICATIONS, LLC - CA
310-484 INGLEWOOD, CA MPOWER COMMUNICATIONS CORP - CA
310-485 Culver City, CA 33 WIRELESS INC.
310-486 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-487 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-488 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-489 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-490 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-491 INGLEWOOD, CA BROADWING COMMUNICATIONS, LLC - CA
310-492 Beverly Hills, CA ALLEGIANCE TELECOM, INC. - CA
310-493 GARDENA, CA SPRINT SPECTRUM L.P.
310-494 MALIBU, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
310-495 Culver City, CA 33 WIRELESS INC.
310-496 Santa Monica, CA TNCI-OP-CO - CA
310-497 Beverly Hills, CA SPRINT SPECTRUM L.P.
310-498 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-499 Beverly Hills, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
310-500 W ANGELES, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
310-501 COMPTON, CA USA MOBILITY WIRELESS, INC.
310-502 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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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