ZIP Code 99348

99348 is one of Washington's ZIP codes, delivering to addresses in Prescott, Walla Walla County.

City: Prescott
County: Walla Walla County
State: Washington
Prefix: 993xx

Where this code sits

99348 is part of the 993xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Prescott.

Prescott Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99348 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99348

The ZIP codes whose reference points sit closest to 99348.
ZIP code	Distance	Delivers to
ZIP code 99361	14 mi	Waitsburg, WA
ZIP code 99359	18 mi	Starbuck, WA
ZIP code 99329	19 mi	Dixie, WA
ZIP code 99362	21 mi	Walla Walla, WA
ZIP code 99328	21 mi	Dayton, WA
ZIP code 99324	21 mi	College Place, WA
ZIP code 99360	22 mi	Touchet, WA
ZIP code 99335	23 mi	Kahlotus, 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 99348, plotted from its record coordinates.

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

Scope ZIP code 99348. 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.