ZIP code · Dover · Kansas · United States
ZIP code 66420 — Dover
ZIP code 66420 serves Dover, Kansas.
- Postal code
- 66420Single source Value from one source, not cross-checked.
- City
- Dover
- County
- Shawnee
- State
- Kansas
- Country
- United States
- Coordinates
- 38.9645, -95.9172 — precision precise (locality)
View on OpenStreetMap - 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/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 785 (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 66420 with another ZIP · ZIPs within 25 miles · distance from 66420
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 38 | 44 | 55 | 65 | 75 | 84 | 89 | 88 | 80 | 68 | 53 | 42 |
| Avg low °F | 18 | 21 | 31 | 41 | 53 | 62 | 66 | 64 | 56 | 44 | 32 | 22 |
| Precip in | 1.0 | 1.3 | 2.6 | 3.7 | 5.5 | 5.3 | 4.0 | 4.4 | 3.4 | 2.7 | 1.9 | 1.6 |
NOAA 1991–2020 climate normals from the nearest station: ESKRIDGE (12.5 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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page