Area Code 425-201 located in SEATTLE, KING, WA, more detail is as below. Place NPA (Numbering Plan Area) : 425 NXX (Local Number Prefix) : 201 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 : BELLEVUE ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 98104 Other Information NPANXX : 425201 County Population : 0 Switch CLLI (Common Language Location Identifier) : STTLWAWBDS0 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 : MCIMETRO ACCESS TRANSMISSION SERVICES LLC OCN (Operating Company Number) : 7229 Coverage Area Name : SEATTLE Latitude : 47.6149 Longitude : -122.3375 ‹ previous : 425-200 next › : 425-201 Telephone Number List 425-201-0000 ~ 425-201-9999