Area Code 209-781 located in IONE, AMADOR, CA, more detail is as below. Place NPA (Numbering Plan Area) : 209 NXX (Local Number Prefix) : 781 City : IONE County : AMADOR State : CA (California) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 06005 LATA (Local Access Transport Area) : 738 Rate Center : IONE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 95640 Other Information NPANXX : 209781 County Population : 0 Switch CLLI (Common Language Location Identifier) : SKTNCA01X9Y Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : O1 COMMUNICATIONS, INC. - CA OCN (Operating Company Number) : 4129 Coverage Area Name : IONE Latitude : 38.3494 Longitude : -120.9335 ‹ previous : 209-780 next › : 209-782 Telephone Number List 209-781-0000 ~ 209-781-9999