ZIP Code 99156

99156 is one of Washington's ZIP codes, delivering to addresses in Newport, Pend Oreille County.

City: Newport
County: Pend Oreille County
State: Washington
Prefix: 991xx

Where this code sits

99156 is part of the 991xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Newport.

Newport Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99156 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99156

The ZIP codes whose reference points sit closest to 99156.
ZIP code	Distance	Delivers to
ZIP code 83822	8.0 mi	Oldtown, ID
ZIP code 83856	11 mi	Priest River, ID
ZIP code 99180	12 mi	Usk, WA
ZIP code 99009	12 mi	Elk, WA
ZIP code 83804	13 mi	Blanchard, ID
ZIP code 99119	17 mi	Cusick, WA
ZIP code 83841	18 mi	Laclede, ID
ZIP code 99003	19 mi	Chattaroy, 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 99156, plotted from its record coordinates.

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

Scope ZIP code 99156. 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.