ZIP code · Tonasket · Washington · United States
ZIP code 98855 — Tonasket
ZIP code 98855 serves Tonasket, Washington.
- Postal code
- 98855Single source Value from one source, not cross-checked.
- City
- Tonasket
- County
- Okanogan FIPS 53047
- State
- Washington
- Country
- United States
- Coordinates
- 48.7194, -119.3943 — precision precise (locality)
View on OpenStreetMap - Population
- 5,615 (ZCTA, ACS 5-year)
- Population density
- 9 / sq mi
- Land area
- 632.3 sq mi (1,637.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $51,063
- Per-capita income
- $30,659
- Median age
- 45.3
- Households
- 2,376
- Housing units
- 3,120
- Median home value
- $230,100
- Median gross rent
- $848 / month
- Congressional district
- WA-4 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °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 98855 with another ZIP · ZIPs within 25 miles · distance from 98855
Map of ZIP code 98855
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 23°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 42 | 54 | 64 | 74 | 79 | 88 | 87 | 77 | 61 | 44 | 34 |
| Avg low °F | 23 | 26 | 31 | 37 | 44 | 50 | 55 | 54 | 46 | 37 | 29 | 24 |
NOAA 1991–2020 climate normals from the nearest station: TONASKET 4 NNE (4.4 mi) · NOAA NCEI
Places in ZIP 98855
- 4 schools
- 3 hospitals & clinics
- 2 doctors & dentists
- 1 pharmacies
- 3 supermarkets
- 13 restaurants & cafés
- 13 parks
- 3 playgrounds
- 3 gyms & sports centres
- 1 libraries
- 1 post offices
- 10 places of worship
- 2 banks
- 5 gas stations
- 1 EV charging stations
- 2 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