Area Code 209-242 located in STOCKTON, SAN JOAQUIN, CA, more detail is as below. Place NPA (Numbering Plan Area) : 209 NXX (Local Number Prefix) : 242 City : STOCKTON County : SAN JOAQUIN State : CA (California) NXX Use Type : Landline NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 06077 LATA (Local Access Transport Area) : 738 Rate Center : STOCKTON ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 95215 Other Information NPANXX : 209242 County Population : 0 Switch CLLI (Common Language Location Identifier) : SKTNCASLDS0 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 : BROOKS FIBER COMMUNICATIONS OF CALIFORNIA - CA OCN (Operating Company Number) : 7128 Coverage Area Name : STOCKTON Latitude : 37.9540 Longitude : -121.2858 ‹ previous : 209-242 next › : 209-243 Telephone Number List 209-242-0000 ~ 209-242-9999