Area Code 509-256 located in ANATONE, ASOTIN, WA, more detail is as below. Place NPA (Numbering Plan Area) : 509 NXX (Local Number Prefix) : 256 City : ANATONE County : ASOTIN State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 53003 LATA (Local Access Transport Area) : 676 Rate Center : ANATONE ZIP Code Count : 168 ZIP Code Frequency : 100 ZIP Code : 99401 Other Information NPANXX : 509256 Switch CLLI (Common Language Location Identifier) : ANATWAXXRS0 MSA CBSA (Core Based Statistical Area) : Lewiston, ID-WA MSA CBSA Code (Core Based Statistical Area) : 30300 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : ASOTIN TELEPHONE CO. OCN (Operating Company Number) : 2404 Coverage Area Name : ANATONE Latitude : 46.1892 Longitude : -116.9855 ‹ previous : 509-255 next › : 509-257 Telephone Number List 509-256-0000 ~ 509-256-9999