ZIP Code 98370

98370 is one of Washington's ZIP codes, delivering to addresses in Poulsbo, Kitsap County.

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

Where this code sits

98370 is part of the 983xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Poulsbo.

Poulsbo Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98370 delivers to without sharing its boundary.

ZIP codes nearest 98370

The ZIP codes whose reference points sit closest to 98370.
ZIP code	Distance	Delivers to
ZIP code 98345	3.1 mi	Keyport, WA
ZIP code 98392	3.3 mi	Suquamish, WA
ZIP code 98061	4.9 mi	Rollingbay, WA
ZIP code 98342	5.1 mi	Indianola, WA
ZIP code 98315	5.4 mi	Silverdale, WA
ZIP code 98383	6.4 mi	Silverdale, WA
ZIP code 98346	6.7 mi	Kingston, WA
ZIP code 98110	7.7 mi	Bainbridge Island, 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 98370, plotted from its record coordinates.

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

Scope ZIP code 98370. 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.