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
310-606 EL SEGUNDO, CA PACIFIC BELL
310-607 EL SEGUNDO, CA PACIFIC BELL
310-608 COMPTON, CA PACIFIC BELL
310-609 COMPTON, CA PACIFIC BELL
310-610 GARDENA, CA AMERICAN MESSAGING SERVICES, LLC
310-612 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-613 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-614 Beverly Hills, CA NEW CINGULAR WIRELESS PCS, LLC
310-615 EL SEGUNDO, CA PACIFIC BELL
310-616 EL SEGUNDO, CA PACIFIC BELL
310-617 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-618 TORRANCE, CA PACIFIC BELL
310-619 TORRANCE, CA AT&T LOCAL
310-620 Beverly Hills, CA INTEGRATED PATH COMMUNICATIONS, LLC - CA
310-621 Culver City, CA SPRINT SPECTRUM L.P.
310-622 W ANGELES, CA LEVEL 3 COMMUNICATIONS, LLC - CA
310-623 Beverly Hills, CA MPOWER COMMUNICATIONS CORP - CA
310-624 Beverly Hills, CA AMERICAN MESSAGING SERVICES, LLC
310-625 Santa Monica / Mar Vista, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-626 LOMITA, CA LEVEL 3 COMMUNICATIONS, LLC - CA
310-627 COMPTON, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
310-628 Santa Monica, CA SPRINT SPECTRUM L.P.
310-629 LAKEWOOD, CA SPRINT SPECTRUM L.P.
310-630 GARDENA, CA PACIFIC BELL
310-631 COMPTON, CA PACIFIC BELL
310-632 COMPTON, CA PACIFIC BELL
310-633 Santa Monica, CA AT&T LOCAL
310-634 TORRANCE, CA TNCI-OP-CO - CA
310-635 COMPTON, CA PACIFIC BELL
310-636 Santa Monica / Mar Vista, CA FRONTIER CALIFORNIA INC.
310-637 COMPTON, CA PACIFIC BELL
310-638 COMPTON, CA PACIFIC BELL
310-639 COMPTON, CA PACIFIC BELL
310-640 EL SEGUNDO, CA PACIFIC BELL
310-641 INGLEWOOD, CA PACIFIC BELL
310-642 INGLEWOOD, CA PACIFIC BELL
310-643 HAWTHORNE, CA PACIFIC BELL
310-644 HAWTHORNE, CA PACIFIC BELL
310-645 INGLEWOOD, CA PACIFIC BELL
310-646 INGLEWOOD, CA PACIFIC BELL
310-647 EL SEGUNDO, CA PACIFIC BELL
310-648 EL SEGUNDO, CA PACIFIC BELL
310-649 INGLEWOOD, CA PACIFIC BELL
310-650 GARDENA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-651 Beverly Hills, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
310-652 Beverly Hills, CA PACIFIC BELL
310-653 EL SEGUNDO, CA PACIFIC BELL
310-654 INGLEWOOD, CA SPRINT SPECTRUM L.P.
310-655 W ANGELES, CA AMERICAN MESSAGING SERVICES, LLC
310-656 Santa Monica, CA FRONTIER CALIFORNIA INC.
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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