ZIP code · Mason City · Nebraska · United States
ZIP code 68855 — Mason City
ZIP code 68855 serves Mason City, Nebraska.
- Postal code
- 68855Single source Value from one source, not cross-checked.
- City
- Mason City
- County
- Custer FIPS 31041
- State
- Nebraska
- Country
- United States
- Coordinates
- 41.1853, -99.3049 — precision precise (locality)
View on OpenStreetMap - Population
- 393 (ZCTA, ACS 5-year)
- Population density
- 2 / sq mi
- Land area
- 161.2 sq mi (417.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $76,731
- Per-capita income
- $43,777
- Median age
- 38
- Households
- 156
- Housing units
- 222
- Median home value
- $212,500
- Median gross rent
- $778 / month
- Congressional district
- NE-3 (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °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
- 308Telephone 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 68855 with another ZIP · ZIPs within 25 miles · distance from 68855
Map of ZIP code 68855
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 40 | 52 | 62 | 71 | 82 | 87 | 85 | 78 | 65 | 50 | 39 |
| Avg low °F | 13 | 16 | 25 | 35 | 47 | 58 | 63 | 60 | 50 | 36 | 24 | 16 |
| Precip in | 0.6 | 0.7 | 1.5 | 2.8 | 4.4 | 3.9 | 3.2 | 3.1 | 2.3 | 2.0 | 1.1 | 0.6 |
NOAA 1991–2020 climate normals from the nearest station: MASON CITY (2.5 mi) · NOAA NCEI
Places in ZIP 68855
- 3 schools
- 1 post offices
- 4 places of worship
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