Area Code 510-226 located in FREMONT, ALAMEDA, CA, more detail is as below. Place NPA (Numbering Plan Area) : 510 NXX (Local Number Prefix) : 226 City : FREMONT County : ALAMEDA State : CA (California) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 06001 LATA (Local Access Transport Area) : 722 Rate Center : FRNK OLIVR ZIP Code Count : 479 ZIP Code Frequency : 32 ZIP Code : 94538 Other Information NPANXX : 510226 Switch CLLI (Common Language Location Identifier) : FRMTCA12DS0 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 : PACIFIC BELL OCN (Operating Company Number) : 9740 Coverage Area Name : FREMONT Latitude : 37.5302 Longitude : -121.9590 ‹ previous : 510-225 next › : 510-226 Telephone Number List 510-226-0000 ~ 510-226-9999