Area Code 415-203 located in NOVATO, MARIN, CA, more detail is as below. Place NPA (Numbering Plan Area) : 415 NXX (Local Number Prefix) : 203 City : NOVATO County : MARIN State : CA (California) NXX Use Type : Wireless NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 06041 LATA (Local Access Transport Area) : 722 Rate Center : SNFC CNTRL ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 94948 Other Information NPANXX : 415203 Switch CLLI (Common Language Location Identifier) : SNFDCACVCM7 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 : NEW CINGULAR WIRELESS PCS, LLC OCN (Operating Company Number) : 6010 Coverage Area Name : SAN FRANCISCO Latitude : 37.7898 Longitude : -122.4056 ‹ previous : 415-203 next › : 415-203 Telephone Number List 415-203-0000 ~ 415-203-9999