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

Page 1 of 16 — Previous   Next
Area code Location Company / Service Provider
310-200 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-201 Beverly Hills, CA PACIFIC BELL
310-202 Culver City, CA PACIFIC BELL
310-203 Beverly Hills, CA PACIFIC BELL
310-204 Culver City, CA PACIFIC BELL
310-205 Beverly Hills, CA PACIFIC BELL
310-206 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-207 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-208 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-209 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-210 W ANGELES, CA NEW CINGULAR WIRELESS PCS, LLC
310-212 TORRANCE, CA PACIFIC BELL
310-213 GARDENA, CA SPRINT SPECTRUM L.P.
310-214 REDONDO, CA FRONTIER CALIFORNIA INC.
310-215 INGLEWOOD, CA PACIFIC BELL
310-216 INGLEWOOD, CA PACIFIC BELL
310-217 GARDENA, CA PACIFIC BELL
310-218 TORRANCE, CA XO CALIFORNIA, INC.
310-219 HAWTHORNE, CA PACIFIC BELL
310-220 HAWTHORNE, CA XO CALIFORNIA, INC.
310-221 SAN PEDRO, CA PACIFIC BELL
310-222 TORRANCE, CA PACIFIC BELL
310-223 COMPTON, CA PACIFIC BELL
310-224 TORRANCE, CA PACIFIC BELL
310-225 GARDENA, CA PACIFIC BELL
310-226 Beverly Hills, CA PACIFIC BELL
310-227 EL SEGUNDO, CA T-MOBILE USA, INC.
310-228 Beverly Hills, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-229 Beverly Hills, CA PACIFIC BELL
310-230 Santa Monica, CA FRONTIER CALIFORNIA INC.
310-231 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-232 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-233 SAN PEDRO, CA PACIFIC BELL
310-234 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-235 W ANGELES, CA FRONTIER CALIFORNIA INC.
310-236 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-237 Culver City, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-238 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-239 Santa Monica, CA USA MOBILITY WIRELESS, INC.
310-240 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-241 SAN PEDRO, CA PACIFIC BELL
310-242 INGLEWOOD, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-243 GARDENA, CA PACIFIC BELL
310-244 Culver City, CA PACIFIC BELL
310-245 GARDENA, CA NEW CINGULAR WIRELESS PCS, LLC
310-246 Beverly Hills, CA PACIFIC BELL
310-247 Beverly Hills, CA PACIFIC BELL
310-248 Beverly Hills, CA PACIFIC BELL
310-249 GARDENA, CA USA MOBILITY WIRELESS, INC.
310-250 GARDENA, CA USA MOBILITY WIRELESS, 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 -

Home   ·   Area Codes   ·   News & Info
Some useful links:
National Do Not Call Registry FTC - Cell Phones and the Do Not Call Registry FCC - Do Not Call List FTC Complaint Assistant 1.3.86