Area Code 707-558 located in AMERICAN CANYON, NAPA, CA, more detail is as below. Place NPA (Numbering Plan Area) : 707 NXX (Local Number Prefix) : 558 City : AMERICAN CANYON County : NAPA State : CA (California) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 06055 LATA (Local Access Transport Area) : 722 Rate Center : VALLEJO ZIP Code Count : 43 ZIP Code Frequency : 4 ZIP Code : 94503 Other Information NPANXX : 707558 Switch CLLI (Common Language Location Identifier) : VLLJCA01DS1 MSA CBSA (Core Based Statistical Area) : Napa, CA MSA CBSA Code (Core Based Statistical Area) : 34900 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : PACIFIC BELL OCN (Operating Company Number) : 9740 Coverage Area Name : VALLEJO Latitude : 38.1023 Longitude : -122.2521 ‹ previous : 707-558 next › : 707-558 Telephone Number List 707-558-0000 ~ 707-558-9999