Area Code 858-205 located in SAN DIEGO, SAN DIEGO, CA, more detail is as below. Place NPA (Numbering Plan Area) : 858 NXX (Local Number Prefix) : 205 City : SAN DIEGO County : SAN DIEGO State : CA (California) NXX Use Type : Wireless NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 06073 LATA (Local Access Transport Area) : 732 Rate Center : DEL MAR ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 92199 Other Information NPANXX : 858205 Switch CLLI (Common Language Location Identifier) : SNDGCA02X4Y MSA CBSA (Core Based Statistical Area) : San Diego-Carlsbad-San Marcos, CA MSA CBSA Code (Core Based Statistical Area) : 41740 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Coverage Area Name : SAN DIEGO Latitude : 32.7196 Longitude : -117.1636 ‹ previous : 858-204 next › : 858-205 Telephone Number List 858-205-0000 ~ 858-205-9999