Area Code 323-273 located in MONTEREY PARK, LOS ANGELES, CA, more detail is as below. Place NPA (Numbering Plan Area) : 323 NXX (Local Number Prefix) : 273 City : MONTEREY PARK County : LOS ANGELES State : CA (California) NXX Use Type : Wireless NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 06037 LATA (Local Access Transport Area) : 730 Rate Center : MONTEBELLO ZIP Code Count : 1 ZIP Code Frequency : 33 ZIP Code : 91754 Other Information NPANXX : 323273 County Population : 0 Switch CLLI (Common Language Location Identifier) : SFSPCAPOCM0 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 : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : MONTEBELLO Latitude : 34.0170 Longitude : -118.1389 ‹ previous : 323-273 next › : 323-273 Telephone Number List 323-273-0000 ~ 323-273-9999