Area Code 509-935 located in ADDY, STEVENS, WA, more detail is as below. Place NPA (Numbering Plan Area) : 509 NXX (Local Number Prefix) : 935 City : ADDY County : STEVENS State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 53065 LATA (Local Access Transport Area) : 676 Rate Center : CHEWELAH ZIP Code Count : 303 ZIP Code Frequency : 13 ZIP Code : 99101 Other Information NPANXX : 509935 Switch CLLI (Common Language Location Identifier) : CHWLWAXXDS0 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK OCN (Operating Company Number) : 2408 Coverage Area Name : CHEWELAH Latitude : 48.2804 Longitude : -117.7052 ‹ previous : 509-933 next › : 509-935 Telephone Number List 509-935-0000 ~ 509-935-9999