Area Code 925-204 located in DUBLIN, ALAMEDA, CA, more detail is as below. Place NPA (Numbering Plan Area) : 925 NXX (Local Number Prefix) : 204 City : DUBLIN County : ALAMEDA State : CA (California) NXX Use Type : Wireless NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 06001 Rate Center : PLEASANTON ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 94568 Other Information NPANXX : 925204 Switch CLLI (Common Language Location Identifier) : LVMRCAQACM0 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 Latitude : None Longitude : None ‹ previous : 925-203 next › : 925-204 Telephone Number List 925-204-0000 ~ 925-204-9999