Area Code 951-990 located in RIVERSIDE, RIVERSIDE, CA, more detail is as below. Place NPA (Numbering Plan Area) : 951 NXX (Local Number Prefix) : 990 City : RIVERSIDE County : RIVERSIDE State : CA (California) NXX Use Type : Wireless NXX Intro Version : 2004-12-13 FIPS (Federal Information Processing Standards) : 06065 LATA (Local Access Transport Area) : 730 Rate Center : RIVERSIDE ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 92506 Other Information NPANXX : 951990 Switch CLLI (Common Language Location Identifier) : LSAOCAGXCMN 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA OCN (Operating Company Number) : 6006 Coverage Area Name : RIVERSIDE Latitude : 33.9849 Longitude : -117.3703 ‹ previous : 951-981 next › : 951-990 Telephone Number List 951-990-0000 ~ 951-990-9999