Area Code 425-200 located in SEATTLE, KING, WA, more detail is as below. Place NPA (Numbering Plan Area) : 425 NXX (Local Number Prefix) : 200 City : SEATTLE County : KING State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 53033 LATA (Local Access Transport Area) : 674 Rate Center : ISSAQUAH ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 98154 Other Information NPANXX : 425200 County Population : 0 Switch CLLI (Common Language Location Identifier) : STTLWA06DS9 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 : AT&T LOCAL OCN (Operating Company Number) : 7421 Coverage Area Name : SEATTLE Latitude : 47.6055 Longitude : -122.3317 ‹ previous : 425-200 next › : 425-201 Telephone Number List 425-200-0000 ~ 425-200-9999