Area Code 206-257 located in SEATTLE, KING, WA, more detail is as below. Place NPA (Numbering Plan Area) : 206 NXX (Local Number Prefix) : 257 City : SEATTLE County : KING State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 53033 LATA (Local Access Transport Area) : 674 Rate Center : SEATTLE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 98161 Other Information NPANXX : 206257 County Population : 0 Switch CLLI (Common Language Location Identifier) : STTLWANEDS0 MSA CBSA (Core Based Statistical Area) : Seattle-Tacoma-Bellevue, WA MSA CBSA Code (Core Based Statistical Area) : 42660 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : COMCAST PHONE OF WASHINGTON/OREGON, LLC - WA OCN (Operating Company Number) : 6060 Coverage Area Name : SEATTLE Latitude : 47.6100 Longitude : -122.3312 ‹ previous : 206-257 next › : 206-258 Telephone Number List 206-257-0000 ~ 206-257-9999