ZIP Code 98320

98320 is one of Washington's ZIP codes, delivering to addresses in Brinnon, Jefferson County.

City: Brinnon
County: Jefferson County
State: Washington
Prefix: 983xx

Where this code sits

98320 is part of the 983xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Brinnon.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98320 delivers to without sharing its boundary.

ZIP codes nearest 98320

The ZIP codes whose reference points sit closest to 98320.
ZIP code	Distance	Delivers to
ZIP code 98380	6.8 mi	Seabeck, WA
ZIP code 98315	10 mi	Silverdale, WA
ZIP code 98383	11 mi	Silverdale, WA
ZIP code 98376	11 mi	Quilcene, WA
ZIP code 98555	13 mi	Lilliwaup, WA
ZIP code 98312	13 mi	Bremerton, WA
ZIP code 98393	14 mi	Tracyton, WA
ZIP code 98311	14 mi	Bremerton, 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 98320, plotted from its record coordinates.

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

Scope ZIP code 98320. 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.