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
310-810 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-812 HAWTHORNE, CA PACIFIC BELL
310-813 HAWTHORNE, CA PACIFIC BELL
310-814 HAWTHORNE, CA PACIFIC BELL
310-815 Culver City, CA PACIFIC BELL
310-816 SAN PEDRO, CA PACIFIC BELL
310-817 GARDENA, CA PACIFIC BELL
310-818 GARDENA, CA MPOWER COMMUNICATIONS CORP - CA
310-819 GARDENA, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-820 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-821 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-822 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-823 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-824 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-825 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-826 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-827 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-828 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-829 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-830 SAN PEDRO, CA PACIFIC BELL
310-831 SAN PEDRO, CA PACIFIC BELL
310-832 SAN PEDRO, CA PACIFIC BELL
310-833 SAN PEDRO, CA PACIFIC BELL
310-834 SAN PEDRO, CA PACIFIC BELL
310-835 SAN PEDRO, CA PACIFIC BELL
310-836 Culver City, CA PACIFIC BELL
310-837 Culver City, CA PACIFIC BELL
310-838 Culver City, CA PACIFIC BELL
310-839 Culver City, CA PACIFIC BELL
310-840 Culver City, CA PACIFIC BELL
310-841 Culver City, CA PACIFIC BELL
310-842 Culver City, CA PACIFIC BELL
310-843 Beverly Hills, CA PACIFIC BELL
310-844 HAWTHORNE, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-845 Culver City, CA PACIFIC BELL
310-846 INGLEWOOD, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-847 SAN PEDRO, CA PACIFIC BELL
310-848 HAWTHORNE, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-849 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-850 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-851 GARDENA, CA PACIFIC BELL
310-852 GARDENA, CA AMERICAN MESSAGING SERVICES, LLC
310-853 Culver City, CA BANDWIDTH.COM CLEC, LLC - CA
310-854 Beverly Hills, CA PACIFIC BELL
310-855 Beverly Hills, CA PACIFIC BELL
310-856 GARDENA, CA MPOWER COMMUNICATIONS CORP - CA
310-857 Santa Monica, CA U.S. TELEPACIFIC CORP. - CA
310-858 Beverly Hills, CA PACIFIC BELL
310-859 Beverly Hills, CA PACIFIC BELL
310-860 Beverly Hills, CA PACIFIC BELL
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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