Area Code 909-203 located in CHINO, SAN BERNARDINO, CA, more detail is as below. Place NPA (Numbering Plan Area) : 909 NXX (Local Number Prefix) : 203 City : CHINO County : SAN BERNARDINO State : CA (California) NXX Use Type : Wireless NXX Intro Version : 1/19/2007 FIPS (Federal Information Processing Standards) : 06071 LATA (Local Access Transport Area) : 730 Rate Center : CHINO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 91708 Other Information NPANXX : 909203 Switch CLLI (Common Language Location Identifier) : ONTRCAOICM1 MSA CBSA (Core Based Statistical Area) : Riverside-San Bernardino-Ontario, CA MSA CBSA Code (Core Based Statistical Area) : 40140 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : CHINO Latitude : 34.0473 Longitude : -117.6259 ‹ previous : 909-202 next › : 909-204 Telephone Number List 909-203-0000 ~ 909-203-9999