Area Code 209-584 located in STOCKTON, SAN JOAQUIN, CA, more detail is as below. Place NPA (Numbering Plan Area) : 209 NXX (Local Number Prefix) : 584 City : STOCKTON County : SAN JOAQUIN State : CA (California) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 06077 LATA (Local Access Transport Area) : 738 Rate Center : VALLEY SPG ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 95267 Other Information NPANXX : 209584 County Population : 0 Switch CLLI (Common Language Location Identifier) : SKTNCA01X9Y 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 : O1 COMMUNICATIONS, INC. - CA OCN (Operating Company Number) : 4129 Coverage Area Name : VALLEY SPRINGS Latitude : 38.1925 Longitude : -120.8221 ‹ previous : 209-583 next › : 209-584 Telephone Number List 209-584-0000 ~ 209-584-9999