ZIP Code 99157

99157 is one of Washington's ZIP codes, delivering to addresses in Northport, Stevens County.

City: Northport
County: Stevens County
State: Washington
Prefix: 991xx

Where this code sits

99157 is part of the 991xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Northport.

Northport Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99157 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99157

The ZIP codes whose reference points sit closest to 99157.
ZIP code	Distance	Delivers to
ZIP code 99126	16 mi	Evans, WA
ZIP code 99107	19 mi	Boyds, WA
ZIP code 99152	19 mi	Metaline, WA
ZIP code 99160	19 mi	Orient, WA
ZIP code 99146	20 mi	Laurier, WA
ZIP code 99153	20 mi	Metaline Falls, WA
ZIP code 99139	21 mi	Ione, WA
ZIP code 99151	22 mi	Marcus, 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 99157, plotted from its record coordinates.

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

Scope ZIP code 99157. 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.