Area Code 509-779 located in WAUCONDA, OKANOGAN, WA, more detail is as below. Place NPA (Numbering Plan Area) : 509 NXX (Local Number Prefix) : 779 City : WAUCONDA County : OKANOGAN State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 53047 LATA (Local Access Transport Area) : 676 Rate Center : CURLEW ZIP Code Count : 27 ZIP Code Frequency : 5 ZIP Code : 98859 Other Information NPANXX : 509779 Switch CLLI (Common Language Location Identifier) : CRLWWAXARS1 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : FRONTIER COMMUNICATIONS NORTHWEST INC. - WA OCN (Operating Company Number) : 4423 Coverage Area Name : CURLEW Latitude : 48.8854 Longitude : -118.6058 ‹ previous : 509-779 next › : 509-779 Telephone Number List 509-779-0000 ~ 509-779-9999