Area Code 650-200 located in SAN MATEO, SAN MATEO, CA, more detail is as below. Place NPA (Numbering Plan Area) : 650 NXX (Local Number Prefix) : 200 City : SAN MATEO County : SAN MATEO State : CA (California) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 06081 LATA (Local Access Transport Area) : 722 Rate Center : SAN MATEO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 94402 Other Information NPANXX : 650200 Switch CLLI (Common Language Location Identifier) : SNFECA11DS0 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 : O1 COMMUNICATIONS, INC. - CA OCN (Operating Company Number) : 4129 Coverage Area Name : SAN MATEO Latitude : 37.5747 Longitude : -122.3422 ‹ previous : 650-200 next › : 650-201 Telephone Number List 650-200-0000 ~ 650-200-9999