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
310-709 W ANGELES, CA SPRINT SPECTRUM L.P.
310-710 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-712 Beverly Hills, CA PACIFIC BELL
310-713 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-714 GARDENA, CA SPRINT SPECTRUM L.P.
310-715 GARDENA, CA PACIFIC BELL
310-716 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-717 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-718 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-719 GARDENA, CA PACIFIC BELL
310-720 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-721 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-722 GARDENA, CA SPRINT SPECTRUM L.P.
310-723 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-724 Beverly Hills, CA PACIFIC BELL
310-725 HAWTHORNE, CA PACIFIC BELL
310-726 EL SEGUNDO, CA PACIFIC BELL
310-727 HAWTHORNE, CA PACIFIC BELL
310-728 Beverly Hills, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-729 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-730 Culver City, CA BANDWIDTH.COM CLEC, LLC - CA
310-731 COMPTON, CA USA MOBILITY WIRELESS, INC.
310-732 SAN PEDRO, CA PACIFIC BELL
310-733 Culver City, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
310-734 Beverly Hills, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-735 COMPTON, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-736 Culver City, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-737 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-738 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-739 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-740 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-741 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-742 COMPTON, CA TNCI-OP-CO - CA
310-743 INGLEWOOD, CA XO CALIFORNIA, INC.
310-744 EL SEGUNDO, CA AT&T LOCAL
310-745 Santa Monica / Mar Vista, CA NEW CINGULAR WIRELESS PCS, LLC
310-746 Beverly Hills, CA MPOWER COMMUNICATIONS CORP - CA
310-747 COMPTON, CA MPOWER COMMUNICATIONS CORP - CA
310-748 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-749 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-750 REDONDO, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-751 Santa Monica / Mar Vista, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-752 Santa Monica, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-753 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-754 Santa Monica / Mar Vista, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-755 TORRANCE, CA MPOWER COMMUNICATIONS CORP - CA
310-756 GARDENA, CA XO CALIFORNIA, INC.
310-757 GARDENA, CA AMERICAN MESSAGING SERVICES, LLC
310-758 GARDENA, CA AMERICAN MESSAGING SERVICES, LLC
310-759 GARDENA, CA AMERICAN MESSAGING SERVICES, LLC
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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