ZIP Code 98315

98315 is one of Washington's ZIP codes, delivering to addresses in Silverdale, Kitsap County.

City: Silverdale
County: Kitsap County
State: Washington
Prefix: 983xx

Where this code sits

98315 is part of the 983xx range, the group of codes handled by one mail processing centre. Silverdale is served by 2 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98315 delivers to without sharing its boundary.

ZIP codes nearest 98315

The ZIP codes whose reference points sit closest to 98315.
ZIP code	Distance	Delivers to
ZIP code 98383	2.2 mi	Silverdale, WA
ZIP code 98345	4.2 mi	Keyport, WA
ZIP code 98370	5.4 mi	Poulsbo, WA
ZIP code 98393	5.5 mi	Tracyton, WA
ZIP code 98311	5.8 mi	Bremerton, WA
ZIP code 98061	6.6 mi	Rollingbay, WA
ZIP code 98310	7.4 mi	Bremerton, WA
ZIP code 98392	7.9 mi	Suquamish, WA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 98315, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 98315. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.