ZIP Code 98837

98837 is one of Washington's ZIP codes, delivering to addresses in Moses Lake, Grant County.

City: Moses Lake
County: Grant County
State: Washington
Prefix: 988xx

Where this code sits

98837 is part of the 988xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Moses Lake.

Moses Lake Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98837 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 98837

The ZIP codes whose reference points sit closest to 98837.
ZIP code	Distance	Delivers to
ZIP code 98823	15 mi	Ephrata, WA
ZIP code 98832	16 mi	Marlin, WA
ZIP code 98857	16 mi	Warden, WA
ZIP code 98851	19 mi	Soap Lake, WA
ZIP code 98853	20 mi	Stratford, WA
ZIP code 99357	21 mi	Royal City, WA
ZIP code 98860	24 mi	Wilson Creek, WA
ZIP code 99344	24 mi	Othello, 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 98837, plotted from its record coordinates.

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

Scope ZIP code 98837. 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.