Area Code 509-429 located in OKANOGAN, OKANOGAN, WA, more detail is as below. Place NPA (Numbering Plan Area) : 509 NXX (Local Number Prefix) : 429 City : OKANOGAN County : OKANOGAN State : WA (Washington) NXX Use Type : Wireless NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 53047 LATA (Local Access Transport Area) : 676 Rate Center : OMAK ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 98840 Other Information NPANXX : 509429 Switch CLLI (Common Language Location Identifier) : OMAKWAADCM1 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 : OMAK Latitude : 48.4077 Longitude : -119.5322 ‹ previous : 509-428 next › : 509-430 Telephone Number List 509-429-0000 ~ 509-429-9999