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Area Code 510

General Information
Country	United States
State/Province	California
Major City	Oakland
Time Zone	Pacific (UTC-08:00)
Current Local Time	02:05

Area Code Prefixes

Prefix	County	Primary City
510-200	Alameda	Hayward
510-201	Alameda	Oakland
510-202	Alameda	Oakland
510-203	-	-
510-204	Alameda	Berkeley
510-205	San Francisco	San Francisco
510-206	Alameda	Oakland
510-207	Alameda	Oakland
510-208	Alameda	Oakland
510-209	Alameda	Hayward
510-210	San Francisco	San Francisco
510-212	Alameda	Fremont
510-213	Alameda	Oakland
510-214	San Francisco	San Francisco
510-215	Contra Costa	Richmond
510-216	Alameda	Newark
510-217	San Francisco	San Francisco
510-218	Alameda	Fremont
510-219	Alameda	Oakland
510-220	Alameda	Oakland
510-221	Alameda	Oakland
510-222	Contra Costa	El Sobrante
510-223	Contra Costa	El Sobrante
510-224	Contra Costa	Rodeo
510-225	San Francisco	San Francisco
510-226	Alameda	Fremont
510-227	Alameda	Oakland
510-228	Alameda	Oakland
510-229	Alameda	Oakland
510-230	Contra Costa	Richmond
510-231	Contra Costa	Richmond
510-232	Contra Costa	Richmond
510-233	Contra Costa	Richmond
510-234	Contra Costa	Richmond
510-235	Contra Costa	Richmond
510-236	Contra Costa	Richmond
510-237	Contra Costa	Richmond
510-238	Alameda	Oakland
510-239	Alameda	Oakland
510-240	Alameda	Fremont
510-241	-	-
510-242	Contra Costa	Richmond
510-243	Contra Costa	El Sobrante
510-244	Alameda	Hayward
510-245	Contra Costa	Hercules
510-246	Alameda	Hayward
510-247	Alameda	Castro Valley
510-248	Alameda	Newark
510-249	Alameda	Fremont
510-250	Alameda	Oakland

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