Area Code 509-243 located in CLARKSTON, ASOTIN, WA, more detail is as below. Place NPA (Numbering Plan Area) : 509 NXX (Local Number Prefix) : 243 City : CLARKSTON 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 : ASOTIN ZIP Code Count : 312 ZIP Code Frequency : 32 ZIP Code : 99403 Other Information NPANXX : 509243 Switch CLLI (Common Language Location Identifier) : ASOTWAXADS0 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 : ASOTIN Latitude : 46.3735 Longitude : -117.0751 ‹ previous : 509-242 next › : 509-243 Telephone Number List 509-243-0000 ~ 509-243-9999