National Phone Number Registry NPNR

Area Code 510 Location

Area code 510 is currently assigned for use in California since Sep 02, 1991. This area code originated from the 415 area code previously by means of area code split or overlay. View all phone prefixes used in area code 510 or other area codes in California.

(510)
Enter 7-digit phone number for area code 510 or the complete 10-digit phone number

Phone Prefixes for Area Code 510

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Area code Location Company / Service Provider
510-200 HAYWARD, CA METRO PCS, INC.
510-201 Oakland, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
510-202 Oakland, CA AMERICAN MESSAGING SERVICES, LLC
510-203 FRNK MAIN, CA T-MOBILE USA, INC.
510-204 OAKLAND / BERKELEY, CA PACIFIC BELL
510-205 OAKLAND / ALAMEDA, CA SPRINT SPECTRUM L.P.
510-206 Oakland, CA NEW CINGULAR WIRELESS PCS, LLC
510-207 Oakland, CA NEW CINGULAR WIRELESS PCS, LLC
510-208 Oakland, CA PACIFIC BELL
510-209 HAYWARD, CA SPRINT SPECTRUM L.P.
510-210 RICHMOND, CA BANDWIDTH.COM CLEC, LLC - CA
510-212 FRNK OLIVR, CA USA MOBILITY WIRELESS, INC.
510-213 Oakland, CA T-MOBILE USA, INC.
510-214 OAKLAND / ALAMEDA, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
510-215 RICHMOND, CA PACIFIC BELL
510-216 FRNK MAIN, CA USA MOBILITY WIRELESS, INC.
510-217 OAKLAND / ALAMEDA, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-218 FRNK OLIVR, CA USA MOBILITY WIRELESS, INC.
510-219 Oakland, CA NEW CINGULAR WIRELESS PCS, LLC
510-220 Oakland, CA NEW CINGULAR WIRELESS PCS, LLC
510-221 RICHMOND, CA SPRINT SPECTRUM L.P.
510-222 ELSBR-PINL, CA PACIFIC BELL
510-223 ELSBR-PINL, CA PACIFIC BELL
510-224 Hercules / Rodeo, CA SPRINT SPECTRUM L.P.
510-225 OAKLAND / BERKELEY, CA ALLEGIANCE TELECOM, INC. - CA
510-226 FRNK OLIVR, CA PACIFIC BELL
510-227 OAKLAND / ALAMEDA, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
510-228 Oakland, CA TNCI-OP-CO - CA
510-229 OAKLAND / BERKELEY, CA PACIFIC BELL
510-230 RICHMOND, CA T-MOBILE USA, INC.
510-231 RICHMOND, CA PACIFIC BELL
510-232 RICHMOND, CA PACIFIC BELL
510-233 RICHMOND, CA PACIFIC BELL
510-234 RICHMOND, CA PACIFIC BELL
510-235 RICHMOND, CA PACIFIC BELL
510-236 RICHMOND, CA PACIFIC BELL
510-237 RICHMOND, CA PACIFIC BELL
510-238 Oakland, CA PACIFIC BELL
510-239 OAKLAND / ALAMEDA, CA MPOWER COMMUNICATIONS CORP - CA
510-240 FRNK GRNLF, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
510-241 ELSBR-PINL, CA T-MOBILE USA, INC.
510-242 RICHMOND, CA PACIFIC BELL
510-243 ELSBR-PINL, CA PACIFIC BELL
510-244 HAYWARD, CA BANDWIDTH.COM CLEC, LLC - CA
510-245 Hercules / Rodeo, CA PACIFIC BELL
510-246 HAYWARD, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-247 HAYWARD, CA PACIFIC BELL
510-248 FRNK MAIN, CA TNCI-OP-CO - CA
510-249 FRNK OLIVR, CA PACIFIC BELL
510-250 Oakland, CA BROADWING COMMUNICATIONS, LLC - CA
New numbers being added to 510 area code
Effective: 06/11/2017
510-561 in OAKLAND, CA
NEW CINGULAR WIRELESS PCS, LLC
Effective: 06/01/2017
510-602 in FRNK MAIN, CA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510 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: September 02, 1991
In jeopardy: No
Relief in progress: Yes
NPA Relief status: Active
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 413 206 190 IL90/06-023
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D 1+10D
Foreign local calls: 1+10D NA
Home toll calls: 7D 1+10D
Foreign toll calls: 1+10D -

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