Area Code 253-231 located in FEDERAL WAY, KING, WA, more detail is as below. Place NPA (Numbering Plan Area) : 253 NXX (Local Number Prefix) : 231 City : FEDERAL WAY County : KING State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 53033 LATA (Local Access Transport Area) : 674 Rate Center : TACOMAWVLY ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 98023 Other Information NPANXX : 253231 County Population : 0 Switch CLLI (Common Language Location Identifier) : STTLWAHNDS0 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 : BROADWING COMMUNICATIONS, LLC - WA OCN (Operating Company Number) : 4273 Coverage Area Name : MILTON Latitude : 47.2646 Longitude : -122.3333 ‹ previous : 253-230 next › : 253-231 Telephone Number List 253-231-0000 ~ 253-231-9999