Area Code 209-204 located in MANTECA, SAN JOAQUIN, CA, more detail is as below. Place NPA (Numbering Plan Area) : 209 NXX (Local Number Prefix) : 204 City : MANTECA County : SAN JOAQUIN State : CA (California) NXX Use Type : Wireless NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 06077 LATA (Local Access Transport Area) : 738 Rate Center : MODESTO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 95337 Other Information NPANXX : 209204 County Population : 0 Switch CLLI (Common Language Location Identifier) : SKTNCA01X4X 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 : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Coverage Area Name : MANTECA Latitude : 37.7973 Longitude : -121.2223 ‹ previous : 209-203 next › : 209-205 Telephone Number List 209-204-0000 ~ 209-204-9999