Area Code 310-500 located in LOS ANGELES, LOS ANGELES, CA, more detail is as below. Place NPA (Numbering Plan Area) : 310 NXX (Local Number Prefix) : 500 City : LOS ANGELES County : LOS ANGELES State : CA (California) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 06037 LATA (Local Access Transport Area) : 730 Rate Center : W ANGELES ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 90020 Other Information NPANXX : 310500 County Population : 0 Switch CLLI (Common Language Location Identifier) : RVSDCAMLDS0 MSA CBSA (Core Based Statistical Area) : Los Angeles-Long Beach-Santa Ana, CA MSA CBSA Code (Core Based Statistical Area) : 31100 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : TW TELECOM OF CALIFORNIA LP - CA OCN (Operating Company Number) : 7718 Coverage Area Name : LOS ANGELES Latitude : 34.0614 Longitude : -118.3039 ‹ previous : 310-499 next › : 310-500 Telephone Number List 310-500-0000 ~ 310-500-9999