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
310-657 Beverly Hills, CA PACIFIC BELL
310-658 EL SEGUNDO, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
310-659 Beverly Hills, CA PACIFIC BELL
310-660 GARDENA, CA PACIFIC BELL
310-661 COMPTON, CA PACIFIC BELL
310-662 EL SEGUNDO, CA PACIFIC BELL
310-663 Santa Monica, CA SPRINT SPECTRUM L.P.
310-664 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-665 INGLEWOOD, CA PACIFIC BELL
310-666 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-667 COMPTON, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
310-668 COMPTON, CA PACIFIC BELL
310-669 COMPTON, CA PACIFIC BELL
310-670 INGLEWOOD, CA PACIFIC BELL
310-671 INGLEWOOD, CA PACIFIC BELL
310-672 INGLEWOOD, CA PACIFIC BELL
310-673 INGLEWOOD, CA PACIFIC BELL
310-674 INGLEWOOD, CA PACIFIC BELL
310-675 HAWTHORNE, CA PACIFIC BELL
310-676 HAWTHORNE, CA PACIFIC BELL
310-677 INGLEWOOD, CA PACIFIC BELL
310-678 GARDENA, CA SPRINT SPECTRUM L.P.
310-679 HAWTHORNE, CA PACIFIC BELL
310-680 INGLEWOOD, CA PACIFIC BELL
310-681 GARDENA, CA AMERICAN MESSAGING SERVICES, LLC
310-683 REDONDO, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-684 SAN PEDRO, CA COX CALIFORNIA TELCOM, LLC - CA
310-685 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-686 INGLEWOOD, CA SPRINT SPECTRUM L.P.
310-687 COMPTON, CA PACIFIC BELL
310-688 Beverly Hills, CA THE TELEPHONE CONNECTION LOCAL SERVICES, LLC
310-689 W ANGELES, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-690 W ANGELES, CA SHELCOMM
310-691 Beverly Hills, CA BROADWING COMMUNICATIONS, LLC - CA
310-692 INGLEWOOD, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
310-693 INGLEWOOD, CA ALLEGIANCE TELECOM, INC. - CA
310-694 W ANGELES, CA NEW CINGULAR WIRELESS PCS, LLC
310-695 INGLEWOOD, CA PACIFIC BELL
310-696 W ANGELES, CA MPOWER COMMUNICATIONS CORP - CA
310-697 REDONDO, CA XO CALIFORNIA, INC.
310-698 REDONDO, CA MPOWER COMMUNICATIONS CORP - CA
310-699 Santa Monica, CA NEW CINGULAR WIRELESS PCS, LLC
310-701 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-702 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-703 INGLEWOOD, CA SPRINT SPECTRUM L.P.
310-704 GARDENA, CA SPRINT SPECTRUM L.P.
310-705 COMPTON, CA THE TELEPHONE CONNECTION LOCAL SERVICES, LLC
310-706 HAWTHORNE, CA MPOWER COMMUNICATIONS CORP - CA
310-707 SAN PEDRO, CA MPOWER COMMUNICATIONS CORP - CA
310-708 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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