Area Code 408-603 located in CAMPBELL, SANTA CLARA, CA, more detail is as below. Place NPA (Numbering Plan Area) : 408 NXX (Local Number Prefix) : 603 City : CAMPBELL County : SANTA CLARA State : CA (California) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 06085 LATA (Local Access Transport Area) : 722 Rate Center : CAMPBELL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 95008 Other Information NPANXX : 408603 Switch CLLI (Common Language Location Identifier) : WNCKCAGEDS0 MSA CBSA (Core Based Statistical Area) : San Jose-Sunnyvale-Santa Clara, CA MSA CBSA Code (Core Based Statistical Area) : 41940 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : TW TELECOM OF CALIFORNIA LP - CA OCN (Operating Company Number) : 7718 Coverage Area Name : CAMPBELL Latitude : 37.2818 Longitude : -121.9428 ‹ previous : 408-602 next › : 408-604 Telephone Number List 408-603-0000 ~ 408-603-9999