Area Code 509-780 located in CLARKSTON, ASOTIN, WA, more detail is as below. Place NPA (Numbering Plan Area) : 509 NXX (Local Number Prefix) : 780 City : CLARKSTON County : ASOTIN State : WA (Washington) NXX Use Type : Wireless NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 53003 LATA (Local Access Transport Area) : 676 Rate Center : CLARKSTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 99403 Other Information NPANXX : 509780 Switch CLLI (Common Language Location Identifier) : LSTNIDASCM1 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA OCN (Operating Company Number) : 5812 Coverage Area Name : CLARKSTON Latitude : 46.4161 Longitude : -117.0397 ‹ previous : 509-779 next › : 509-781 Telephone Number List 509-780-0000 ~ 509-780-9999