Area Code 831-203 located in SALINAS, MONTEREY, CA, more detail is as below. Place NPA (Numbering Plan Area) : 831 NXX (Local Number Prefix) : 203 City : SALINAS County : MONTEREY State : CA (California) NXX Use Type : Wireless NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 06053 LATA (Local Access Transport Area) : 736 Rate Center : SALINAS ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 93906 Other Information NPANXX : 831203 Switch CLLI (Common Language Location Identifier) : SLNSCA011KD MSA CBSA (Core Based Statistical Area) : Salinas, CA MSA CBSA Code (Core Based Statistical Area) : 41500 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : AMERICAN MESSAGING SERVICES, LLC OCN (Operating Company Number) : 6906 Coverage Area Name : SALINAS Latitude : 36.6712 Longitude : -121.6528 ‹ previous : 830-999 next › : 831-203 Telephone Number List 831-203-0000 ~ 831-203-9999