Area Code 509-549 located in HAY, WHITMAN, WA, more detail is as below. Place NPA (Numbering Plan Area) : 509 NXX (Local Number Prefix) : 549 City : HAY 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 : LACROSSE ZIP Code Count : 30 ZIP Code Frequency : 6 ZIP Code : 99136 Other Information NPANXX : 509549 Switch CLLI (Common Language Location Identifier) : LCRSWAXADS1 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 : PIONEER TELEPHONE CO. OCN (Operating Company Number) : 2437 Coverage Area Name : LACROSSE Latitude : 46.8157 Longitude : -117.8835 ‹ previous : 509-548 next › : 509-549 Telephone Number List 509-549-0000 ~ 509-549-9999