Area Code 509-284 located in TEKOA, WHITMAN, WA, more detail is as below. Place NPA (Numbering Plan Area) : 509 NXX (Local Number Prefix) : 284 City : TEKOA County : WHITMAN State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 53075 LATA (Local Access Transport Area) : 676 Rate Center : TEKOA ZIP Code Count : 413 ZIP Code Frequency : 99 ZIP Code : 99033 Other Information NPANXX : 509284 Switch CLLI (Common Language Location Identifier) : TEKOWAXXRS0 MSA CBSA (Core Based Statistical Area) : Pullman, WA MSA CBSA Code (Core Based Statistical Area) : 39420 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : FRONTIER COMMUNICATIONS NORTHWEST INC. - WA OCN (Operating Company Number) : 4324 Coverage Area Name : TEKOA Latitude : 47.2218 Longitude : -117.0736 ‹ previous : 509-283 next › : 509-285 Telephone Number List 509-284-0000 ~ 509-284-9999