ZIP code · Ione · Washington · United States
ZIP code 99139 — Ione
ZIP code 99139 serves Ione, Washington.
- Postal code
- 99139Single source Value from one source, not cross-checked.
- City
- Ione
- County
- Pend Oreille FIPS 53051
- State
- Washington
- Country
- United States
- Coordinates
- 48.7410, -117.4172 — precision precise (locality)
View on OpenStreetMap - Population
- 980 (ZCTA, ACS 5-year)
- Population density
- 3 / sq mi
- Land area
- 314.9 sq mi (815.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $54,219
- Per-capita income
- $34,883
- Median age
- 53.9
- Households
- 417
- Housing units
- 607
- Median home value
- $241,200
- Median gross rent
- $775 / month
- Congressional district
- WA-5 (119th Congress)
- USDA hardiness zone
- 6a (-10 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 99139 with another ZIP · ZIPs within 25 miles · distance from 99139
Map of ZIP code 99139
Climate — monthly normals
Warmest month Aug (avg high 85°F), coldest Jan (avg low 21°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 38 | 48 | 58 | 67 | 72 | 84 | 85 | 73 | 56 | 40 | 32 |
| Avg low °F | 21 | 22 | 27 | 33 | 41 | 48 | 52 | 50 | 43 | 35 | 28 | 21 |
| Precip in | 3.1 | 2.0 | 2.4 | 2.2 | 2.6 | 3.2 | 1.4 | 0.8 | 1.3 | 2.4 | 3.2 | 3.6 |
NOAA 1991–2020 climate normals from the nearest station: BOUNDARY DAM (17.8 mi) · NOAA NCEI
Places in ZIP 99139
- 3 schools
- 1 supermarkets
- 1 restaurants & cafés
- 1 parks
- 1 playgrounds
- 1 post offices
- 3 places of worship
- 1 banks
- 1 gas 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