ZIP code · Treece · Kansas · United States
ZIP code 66778 — Treece
ZIP code 66778 serves Treece, Kansas.
- Postal code
- 66778Single source Value from one source, not cross-checked.
- City
- Treece
- County
- Cherokee FIPS 20021
- State
- Kansas
- Country
- United States
- Coordinates
- 37.0005, -94.8409 — precision precise (locality)
View on OpenStreetMap - Population
- 0 (ZCTA, ACS 5-year)
- Population density
- 0 / sq mi
- Land area
- 0.2 sq mi (0.5 km²) (ZCTA, ACS 5-year)
- Households
- 0
- Housing units
- 0
- Congressional district
- KS-2 (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/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 620Telephone 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 66778 with another ZIP · ZIPs within 25 miles · distance from 66778
Map of ZIP code 66778
Climate — monthly normals
Warmest month Aug (avg high 92°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 47 | 52 | 62 | 71 | 79 | 87 | 91 | 92 | 83 | 71 | 60 | 50 |
| Avg low °F | 24 | 29 | 37 | 46 | 55 | 66 | 70 | 68 | 59 | 47 | 37 | 28 |
NOAA 1991–2020 climate normals from the nearest station: MIAMI (8.5 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 · 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