Area Code 415-778 located in SAN RAMON, CONTRA COSTA, CA, more detail is as below. Place NPA (Numbering Plan Area) : 415 NXX (Local Number Prefix) : 778 City : SAN RAMON County : CONTRA COSTA State : CA (California) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 06013 LATA (Local Access Transport Area) : 722 Rate Center : SNFC CNTRL ZIP Code Count : 1 ZIP Code Frequency : 2 ZIP Code : 94583 Other Information NPANXX : 415778 Switch CLLI (Common Language Location Identifier) : SNFCCA21DS1 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 : SAN FRANCISCO Latitude : 37.7844 Longitude : -122.3947 ‹ previous : 415-778 next › : 415-778 Telephone Number List 415-778-0000 ~ 415-778-9999