Area Code 206-231 located in BREMERTON, KITSAP, WA, more detail is as below. Place NPA (Numbering Plan Area) : 206 NXX (Local Number Prefix) : 231 City : BREMERTON County : KITSAP State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 53035 Rate Center : BAINBDG IS ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 98311 Other Information NPANXX : 206231 County Population : 0 Switch CLLI (Common Language Location Identifier) : STTLWAWBDS6 MSA CBSA (Core Based Statistical Area) : Bremerton-Silverdale, WA MSA CBSA Code (Core Based Statistical Area) : 14740 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 206-230 next › : 206-231 Telephone Number List 206-231-0000 ~ 206-231-9999