ZIP Code 98597

98597 is one of Washington's ZIP codes, delivering to addresses in Yelm, Thurston County.

City: Yelm
County: Thurston County
State: Washington
Prefix: 985xx

Where this code sits

98597 is part of the 985xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Yelm.

Yelm Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98597 delivers to without sharing its boundary.

ZIP codes nearest 98597

The ZIP codes whose reference points sit closest to 98597.
ZIP code	Distance	Delivers to
ZIP code 98558	1.8 mi	Mckenna, WA
ZIP code 98576	5.0 mi	Rainier, WA
ZIP code 98509	6.7 mi	Lacey, WA
ZIP code 98540	6.7 mi	East Olympia, WA
ZIP code 98580	7.0 mi	Roy, WA
ZIP code 98513	8.9 mi	Olympia, WA
ZIP code 98503	12 mi	Lacey, WA
ZIP code 98327	12 mi	Dupont, 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 98597, plotted from its record coordinates.

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

Scope ZIP code 98597. 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.