Area Code 510-201 located in OAKLAND, ALAMEDA, CA, more detail is as below. Place NPA (Numbering Plan Area) : 510 NXX (Local Number Prefix) : 201 City : OAKLAND County : ALAMEDA State : CA (California) NXX Use Type : Landline NXX Intro Version : 2/14/2009 FIPS (Federal Information Processing Standards) : 06001 LATA (Local Access Transport Area) : 722 Rate Center : OKLD MN-PD ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 94607 Other Information NPANXX : 510201 MSA CBSA (Core Based Statistical Area) : San Francisco-Oakland-Fremont, CA MSA CBSA Code (Core Based Statistical Area) : 41860 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : PEERLESS NETWORK OF CALIFORNIA, LLC - CA OCN (Operating Company Number) : 373F Coverage Area Name : OAKLAND Latitude : 37.8062 Longitude : -122.2638 ‹ previous : 510-200 next › : 510-202 Telephone Number List 510-201-0000 ~ 510-201-9999