Area Code 209-320 located in STOCKTON, SAN JOAQUIN, CA, more detail is as below. Place NPA (Numbering Plan Area) : 209 NXX (Local Number Prefix) : 320 City : STOCKTON County : SAN JOAQUIN State : CA (California) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 06077 LATA (Local Access Transport Area) : 738 Rate Center : STOCKTON ZIP Code Count : 5 ZIP Code Frequency : 38 ZIP Code : 95207 Other Information NPANXX : 209320 County Population : 0 Switch CLLI (Common Language Location Identifier) : SKTNCACZDS0 MSA CBSA (Core Based Statistical Area) : Stockton, CA MSA CBSA Code (Core Based Statistical Area) : 44700 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : PAC - WEST TELECOMM, INC. OCN (Operating Company Number) : 7379 Coverage Area Name : STOCKTON Latitude : 37.9907 Longitude : -121.2860 ‹ previous : 209-320 next › : 209-321 Telephone Number List 209-320-0000 ~ 209-320-9999