Area Code 408-579 located in BERKELEY, ALAMEDA, CA, more detail is as below. Place NPA (Numbering Plan Area) : 408 NXX (Local Number Prefix) : 579 City : BERKELEY County : ALAMEDA State : CA (California) NXX Use Type : Landline NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 06001 LATA (Local Access Transport Area) : 722 Rate Center : SNJS WEST ZIP Code Count : 1 ZIP Code Frequency : 20 ZIP Code : 94710 Other Information NPANXX : 408579 Switch CLLI (Common Language Location Identifier) : SNJUCA10DS0 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 : MPOWER COMMUNICATIONS CORP - CA OCN (Operating Company Number) : 8322 Coverage Area Name : SAN JOSE Latitude : 37.3323 Longitude : -121.8893 ‹ previous : 408-579 next › : 408-580 Telephone Number List 408-579-0000 ~ 408-579-9999