ZIP code · Prescott · Washington · United States
ZIP code 99348 — Prescott
ZIP code 99348 serves Prescott, Washington.
- Postal code
- 99348Single source Value from one source, not cross-checked.
- City
- Prescott
- County
- Walla Walla FIPS 53071
- State
- Washington
- Country
- United States
- Coordinates
- 46.3539, -118.4097 — precision precise (locality)
View on OpenStreetMap - Population
- 1,733 (ZCTA, ACS 5-year)
- Population density
- 3 / sq mi
- Land area
- 534.3 sq mi (1,383.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $76,431
- Per-capita income
- $33,527
- Median age
- 33.8
- Households
- 603
- Housing units
- 721
- Median home value
- $204,300
- Median gross rent
- $924 / month
- Congressional district
- WA-5 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
- Area code
- 509Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 99348 with another ZIP · ZIPs within 25 miles · distance from 99348
Map of ZIP code 99348
Climate — monthly normals
Warmest month Jul (avg high 90°F), coldest Dec (avg low 30°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 47 | 56 | 63 | 71 | 79 | 90 | 89 | 79 | 63 | 49 | 41 |
| Avg low °F | 31 | 33 | 38 | 43 | 49 | 55 | 62 | 62 | 54 | 44 | 36 | 30 |
| Precip in | 2.1 | 1.6 | 2.1 | 2.0 | 2.1 | 1.2 | 0.5 | 0.4 | 0.6 | 1.7 | 2.3 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: WALLA WALLA RGNL AP (18.8 mi) · NOAA NCEI
Places in ZIP 99348
- 4 schools
- 5 parks
- 1 playgrounds
- 2 libraries
- 1 post offices
- 1 places of worship
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page