Area Code 209-274 located in IONE, AMADOR, CA, more detail is as below. Place NPA (Numbering Plan Area) : 209 NXX (Local Number Prefix) : 274 City : IONE County : AMADOR State : CA (California) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 06005 LATA (Local Access Transport Area) : 738 Rate Center : IONE ZIP Code Count : 1659 ZIP Code Frequency : 100 ZIP Code : 95640 Other Information NPANXX : 209274 County Population : 0 Switch CLLI (Common Language Location Identifier) : IONECA11RS0 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : PACIFIC BELL OCN (Operating Company Number) : 9740 Coverage Area Name : IONE Latitude : 38.3540 Longitude : -120.9328 ‹ previous : 209-272 next › : 209-275 Telephone Number List 209-274-0000 ~ 209-274-9999