ZIP Code 98255

98255 is one of Washington's ZIP codes, delivering to addresses in Hamilton, Skagit County.

City: Hamilton
County: Skagit County
State: Washington
Prefix: 982xx

Where this code sits

98255 is part of the 982xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hamilton.

Hamilton Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98255 delivers to without sharing its boundary.

ZIP codes nearest 98255

The ZIP codes whose reference points sit closest to 98255.
ZIP code	Distance	Delivers to
ZIP code 98263	3.3 mi	Lyman, WA
ZIP code 98284	11 mi	Sedro Woolley, WA
ZIP code 98273	12 mi	Mount Vernon, WA
ZIP code 98235	12 mi	Clearlake, WA
ZIP code 98274	13 mi	Mount Vernon, WA
ZIP code 98220	14 mi	Acme, WA
ZIP code 98237	15 mi	Concrete, WA
ZIP code 98233	16 mi	Burlington, 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 98255, plotted from its record coordinates.

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

Scope ZIP code 98255. 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.