Area Code 209-830 located in TRACY, SAN JOAQUIN, CA, more detail is as below. Place NPA (Numbering Plan Area) : 209 NXX (Local Number Prefix) : 830 City : TRACY County : SAN JOAQUIN State : CA (California) NXX Use Type : Landline NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 06077 LATA (Local Access Transport Area) : 738 Rate Center : TRACY ZIP Code Count : 1907 ZIP Code Frequency : 79 ZIP Code : 95376 Other Information NPANXX : 209830 County Population : 0 Switch CLLI (Common Language Location Identifier) : TRACCA11DS0 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 : PACIFIC BELL OCN (Operating Company Number) : 9740 Coverage Area Name : TRACY Latitude : 37.7415 Longitude : -121.4228 ‹ previous : 209-830 next › : 209-831 Telephone Number List 209-830-0000 ~ 209-830-9999