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
310-760 EL SEGUNDO, CA XO CALIFORNIA, INC.
310-761 COMPTON, CA PACIFIC BELL
310-762 COMPTON, CA PACIFIC BELL
310-763 COMPTON, CA PACIFIC BELL
310-764 COMPTON, CA PACIFIC BELL
310-765 EL SEGUNDO, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-766 GARDENA, CA SPRINT SPECTRUM L.P.
310-767 GARDENA, CA PACIFIC BELL
310-768 GARDENA, CA PACIFIC BELL
310-769 GARDENA, CA PACIFIC BELL
310-770 Beverly Hills, CA SPRINT SPECTRUM L.P.
310-771 GARDENA, CA PACIFIC BELL
310-772 Beverly Hills, CA PACIFIC BELL
310-773 Santa Monica / Mar Vista, CA LEVEL 3 COMMUNICATIONS, LLC - CA
310-774 MALIBU, CA SPRINT SPECTRUM L.P.
310-775 W ANGELES, CA LEVEL 3 COMMUNICATIONS, LLC - CA
310-776 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-777 Beverly Hills, CA PACIFIC BELL
310-778 GARDENA, CA THE TELEPHONE CONNECTION LOCAL SERVICES, LLC
310-779 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-780 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-781 TORRANCE, CA PACIFIC BELL
310-782 TORRANCE, CA PACIFIC BELL
310-783 TORRANCE, CA PACIFIC BELL
310-784 LOMITA, CA PACIFIC BELL
310-785 Beverly Hills, CA PACIFIC BELL
310-786 Beverly Hills, CA PACIFIC BELL
310-787 TORRANCE, CA PACIFIC BELL
310-788 Beverly Hills, CA PACIFIC BELL
310-789 Beverly Hills, CA PACIFIC BELL
310-790 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-791 REDONDO, CA FRONTIER CALIFORNIA INC.
310-792 REDONDO, CA FRONTIER CALIFORNIA INC.
310-793 REDONDO, CA FRONTIER CALIFORNIA INC.
310-794 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-795 Santa Monica, CA NEW CINGULAR WIRELESS PCS, LLC
310-796 REDONDO, CA FRONTIER CALIFORNIA INC.
310-797 EL SEGUNDO, CA AMERICAN MESSAGING SERVICES, LLC
310-798 REDONDO, CA FRONTIER CALIFORNIA INC.
310-799 Culver City, CA AMERICAN MESSAGING SERVICES, LLC
310-800 GARDENA, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-801 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-802 REDONDO, CA FRONTIER CALIFORNIA INC.
310-803 TORRANCE, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
310-804 Santa Monica, CA NEW CINGULAR WIRELESS PCS, LLC
310-805 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-806 W ANGELES, CA U.S. TELEPACIFIC CORP. - CA
310-807 GARDENA, CA TNCI-OP-CO - CA
310-808 GARDENA, CA PACIFIC BELL
310-809 SAN PEDRO, CA SPRINT SPECTRUM L.P.
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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