Postal reference / United States

99348Prescott, Washington

ZIP code 99348 is a United States postal code for Prescott, Washington. Its county association is Walla Walla County. The map reference point is at 46.3539, -118.4097.

State / territory
Washington
Recorded place name
Prescott
County association
Walla Walla
Estimated coordinate
46.3539, -118.4097
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ZIP prefix
993 · 36 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
534.305 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
99361WaitsburgWAWalla Walla13.9
99359StarbuckWAColumbia18.3
99329DixieWAWalla Walla19.2
99362Walla WallaWAWalla Walla20.6
99328DaytonWAColumbia21.0
99324College PlaceWAWalla Walla21.2
99360TouchetWAWalla Walla21.9
99335KahlotusWAFranklin23.1

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