Area Code 360-204 located in SILVERDALE, KITSAP, WA, more detail is as below. Place NPA (Numbering Plan Area) : 360 NXX (Local Number Prefix) : 204 City : SILVERDALE County : KITSAP State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 53035 LATA (Local Access Transport Area) : 674 Rate Center : SILVERDALE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 98315 Other Information NPANXX : 360204 County Population : 0 Switch CLLI (Common Language Location Identifier) : SLDLWASIDS0 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 Company : QWEST CORPORATION OCN (Operating Company Number) : 9638 Coverage Area Name : SILVERDALE Latitude : 47.6549 Longitude : -122.6737 ‹ previous : 360-203 next › : 360-205 Telephone Number List 360-204-0000 ~ 360-204-9999