ZIP code · Colton · Washington · United States
ZIP code 99113 — Colton
ZIP code 99113 serves Colton, Washington.
- Postal code
- 99113Single source Value from one source, not cross-checked.
- City
- Colton
- County
- Whitman FIPS 53075
- State
- Washington
- Country
- United States
- Coordinates
- 46.5901, -117.1692 — precision precise (locality)
View on OpenStreetMap - Population
- 535 (ZCTA, ACS 5-year)
- Population density
- 5 / sq mi
- Land area
- 98.5 sq mi (255.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $95,357
- Per-capita income
- $50,201
- Median age
- 57.2
- Households
- 234
- Housing units
- 273
- Median home value
- $355,700
- Median gross rent
- $1,031 / 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
- 509 (from the nearest rate centre)Telephone 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 99113 with another ZIP · ZIPs within 25 miles · distance from 99113
Map of ZIP code 99113
Climate — monthly normals
Warmest month Aug (avg high 83°F), coldest Dec (avg low 27°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 38 | 42 | 49 | 56 | 65 | 72 | 83 | 83 | 74 | 59 | 45 | 37 |
| Avg low °F | 28 | 29 | 33 | 37 | 44 | 48 | 51 | 50 | 45 | 38 | 33 | 27 |
| Precip in | 2.1 | 1.6 | 1.9 | 1.8 | 1.4 | 1.2 | 0.4 | 0.5 | 0.7 | 1.6 | 2.1 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: PULLMAN MOSCOW RGNL AP (11.0 mi) · NOAA NCEI
Places in ZIP 99113
- 3 schools
- 6 parks
- 1 libraries
- 1 post offices
- 1 places of worship
- 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