ZIP Code 99347

99347 is one of Washington's ZIP codes, delivering to addresses in Pomeroy, Garfield County.

City: Pomeroy
County: Garfield County
State: Washington
Prefix: 993xx

Where this code sits

99347 is part of the 993xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Pomeroy.

Pomeroy Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99347 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99347

The ZIP codes whose reference points sit closest to 99347.
ZIP code	Distance	Delivers to
ZIP code 99328	21 mi	Dayton, WA
ZIP code 99113	22 mi	Colton, WA
ZIP code 99143	22 mi	Lacrosse, WA
ZIP code 99136	23 mi	Hay, WA
ZIP code 99359	24 mi	Starbuck, WA
ZIP code 99179	25 mi	Uniontown, WA
ZIP code 99403	26 mi	Clarkston, WA
ZIP code 99164	27 mi	Pullman, 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 99347, plotted from its record coordinates.

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

Scope ZIP code 99347. 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.