ZIP code · Spokane · Washington · United States
ZIP code 99220 — Spokane
ZIP code 99220 serves Spokane, Washington.
- Postal code
- 99220Single source Value from one source, not cross-checked.
- City
- Spokane
- County
- Spokane
- State
- Washington
- Country
- United States
- Coordinates
- 47.6536, -117.4317 — precision precise (locality)
View on OpenStreetMap - 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 99220 with another ZIP · ZIPs within 25 miles · distance from 99220
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Dec (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 40 | 49 | 57 | 67 | 74 | 84 | 84 | 74 | 58 | 42 | 34 |
| Avg low °F | 25 | 26 | 32 | 37 | 45 | 51 | 58 | 57 | 49 | 38 | 30 | 24 |
| Precip in | 2.0 | 1.4 | 1.8 | 1.3 | 1.6 | 1.2 | 0.4 | 0.5 | 0.6 | 1.4 | 2.1 | 2.3 |
NOAA 1991–2020 climate normals from the nearest station: SPOKANE INTL AP (5.0 mi) · NOAA NCEI
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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page