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
310-861 Beverly Hills, CA TNCI-OP-CO - CA
310-862 Santa Monica / Mar Vista, CA TNCI-OP-CO - CA
310-863 REDONDO, CA SPRINT SPECTRUM L.P.
310-864 GARDENA, CA SPRINT SPECTRUM L.P.
310-865 Santa Monica, CA PACIFIC BELL - CLEC
310-866 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-867 Beverly Hills, CA SPRINT SPECTRUM L.P.
310-868 COMPTON, CA TNCI-OP-CO - CA
310-869 W ANGELES, CA NEW CINGULAR WIRELESS PCS, LLC
310-870 REDONDO, CA BANDWIDTH.COM CLEC, LLC - CA
310-871 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-872 SAN PEDRO, CA SPRINT SPECTRUM L.P.
310-873 W ANGELES, CA MPOWER COMMUNICATIONS CORP - CA
310-874 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-875 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-876 Culver City, CA SPRINT SPECTRUM L.P.
310-877 Santa Monica, CA SPRINT SPECTRUM L.P.
310-878 GARDENA, CA TNCI-OP-CO - CA
310-879 GARDENA, CA BANDWIDTH.COM CLEC, LLC - CA
310-880 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-881 Santa Monica / Mar Vista, CA MPOWER COMMUNICATIONS CORP - CA
310-882 W ANGELES, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-883 Santa Monica, CA MPOWER COMMUNICATIONS CORP - CA
310-884 COMPTON, CA PACIFIC BELL
310-885 COMPTON, CA PACIFIC BELL
310-886 COMPTON, CA PACIFIC BELL
310-887 Beverly Hills, CA PACIFIC BELL
310-888 Beverly Hills, CA PACIFIC BELL
310-889 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-890 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-891 LOMITA, CA PACIFIC BELL
310-892 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-893 W ANGELES, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-894 COMPTON, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-895 Culver City, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-896 REDONDO, CA MPOWER COMMUNICATIONS CORP - CA
310-897 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-898 COMPTON, CA PACIFIC BELL
310-899 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-900 COMPTON, CA PACIFIC BELL
310-901 TORRANCE, CA SPRINT SPECTRUM L.P.
310-902 Santa Monica / Mar Vista, CA SPRINT SPECTRUM L.P.
310-903 W ANGELES, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-904 Culver City, CA MPOWER COMMUNICATIONS CORP - CA
310-905 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-906 EL SEGUNDO, CA O1 COMMUNICATIONS, INC. - CA
310-907 Santa Monica, CA MCIMETRO ACCESS TRANSMISSION SERVICES LLC
310-908 INGLEWOOD, CA NEW CINGULAR WIRELESS PCS, LLC
310-909 W ANGELES, CA XO CALIFORNIA, INC.
310-910 INGLEWOOD, CA SPRINT SPECTRUM L.P.
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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