Area Code 209-990 located in TRACY, SAN JOAQUIN, CA, more detail is as below. Place NPA (Numbering Plan Area) : 209 NXX (Local Number Prefix) : 990 City : TRACY County : SAN JOAQUIN State : CA (California) NXX Use Type : Wireless NXX Intro Version : 1994-09-11 FIPS (Federal Information Processing Standards) : 06077 Rate Center : STOCKTON ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 95376 Other Information NPANXX : 209990 County Population : 0 Switch CLLI (Common Language Location Identifier) : STKNCACZDS0 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 Latitude : None Longitude : None ‹ previous : 209-989 next › : 209-992 Telephone Number List 209-990-0000 ~ 209-990-9999