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(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
310-251 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-252 EL SEGUNDO, CA PACIFIC BELL
310-253 Culver City, CA PACIFIC BELL
310-254 W ANGELES, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-255 Santa Monica, CA PACIFIC BELL - CLEC
310-256 INGLEWOOD, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-257 LOMITA, CA PACIFIC BELL
310-258 INGLEWOOD, CA PACIFIC BELL
310-259 INGLEWOOD, CA NEW CINGULAR WIRELESS PCS, LLC
310-260 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-261 Santa Monica, CA SPRINT SPECTRUM L.P.
310-262 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-263 HAWTHORNE, CA PACIFIC BELL
310-264 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-265 REDONDO, CA FRONTIER CALIFORNIA INC.
310-266 Santa Monica, CA NEW CINGULAR WIRELESS PCS, LLC
310-267 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-268 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-269 Santa Monica, CA AMERICAN MESSAGING SERVICES, LLC
310-270 Beverly Hills, CA PACIFIC BELL
310-271 Beverly Hills, CA PACIFIC BELL
310-272 Beverly Hills, CA SPRINT SPECTRUM L.P.
310-273 Beverly Hills, CA PACIFIC BELL
310-274 Beverly Hills, CA PACIFIC BELL
310-275 Beverly Hills, CA PACIFIC BELL
310-276 Beverly Hills, CA PACIFIC BELL
310-277 Beverly Hills, CA PACIFIC BELL
310-278 Beverly Hills, CA PACIFIC BELL
310-279 Beverly Hills, CA PACIFIC BELL
310-280 Culver City, CA PACIFIC BELL
310-281 Beverly Hills, CA PACIFIC BELL
310-282 Beverly Hills, CA PACIFIC BELL
310-283 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-284 Beverly Hills, CA PACIFIC BELL
310-285 Beverly Hills, CA PACIFIC BELL
310-286 Beverly Hills, CA PACIFIC BELL
310-287 Culver City, CA PACIFIC BELL
310-288 Beverly Hills, CA PACIFIC BELL
310-289 Beverly Hills, CA PACIFIC BELL
310-290 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-291 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-292 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-293 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-294 TORRANCE, CA BROADWING COMMUNICATIONS, LLC - CA
310-295 W ANGELES, CA BROADWING COMMUNICATIONS, LLC - CA
310-296 GARDENA, CA AMERICAN MESSAGING SERVICES, LLC
310-297 HAWTHORNE, CA PACIFIC BELL
310-298 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-299 Beverly Hills, CA LEVEL 3 COMMUNICATIONS, LLC - CA
310-300 Beverly Hills, CA XO CALIFORNIA, INC.
New numbers being added to 310 area code
Effective: 08/24/2017
310-682 in HAWTHORNE, CA
TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
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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