ZIP Code 98626

98626 is one of Washington's ZIP codes, delivering to addresses in Kelso, Cowlitz County.

City: Kelso
County: Cowlitz County
State: Washington
Prefix: 986xx

Where this code sits

98626 is part of the 986xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Kelso.

Kelso Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98626 delivers to without sharing its boundary.

ZIP codes nearest 98626

The ZIP codes whose reference points sit closest to 98626.
ZIP code	Distance	Delivers to
ZIP code 98632	3.7 mi	Longview, WA
ZIP code 98609	5.4 mi	Carrolls, WA
ZIP code 97048	7.0 mi	Rainier, OR
ZIP code 98611	9.1 mi	Castle Rock, WA
ZIP code 98625	10 mi	Kalama, WA
ZIP code 98645	13 mi	Silverlake, WA
ZIP code 97054	15 mi	Deer Island, OR
ZIP code 98649	15 mi	Toutle, 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 98626, plotted from its record coordinates.

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

Scope ZIP code 98626. 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.