ZIP code · North Grosvenordale · Connecticut · United States
ZIP code 06255 — North Grosvenordale
ZIP code 06255 serves North Grosvenordale, Connecticut.
- Postal code
- 06255Single source Value from one source, not cross-checked.
- County
- Windham FIPS 09015
- State
- Connecticut
- Country
- United States
- Coordinates
- 41.9784, -71.8997 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 4,442 (ZCTA, ACS 5-year)
- Population density
- 193 / sq mi
- Land area
- 23.1 sq mi (59.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $90,651
- Per-capita income
- $46,886
- Median age
- 54.9
- Households
- 1,972
- Housing units
- 2,026
- Median home value
- $298,100
- Median gross rent
- $877 / month
- Congressional district
- CT-2 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 06255 with another ZIP · ZIPs within 25 miles · distance from 06255
Map of ZIP code 06255
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 15°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 38 | 46 | 58 | 69 | 76 | 82 | 80 | 73 | 61 | 50 | 40 |
| Avg low °F | 15 | 17 | 24 | 34 | 45 | 54 | 60 | 58 | 51 | 38 | 30 | 22 |
| Precip in | 3.8 | 3.5 | 4.5 | 4.6 | 3.4 | 4.5 | 4.0 | 4.2 | 3.9 | 4.8 | 4.2 | 4.7 |
NOAA 1991–2020 climate normals from the nearest station: W THOMPSON LAKE (2.4 mi) · NOAA NCEI
Places in ZIP 06255
- 4 schools
- 2 restaurants & cafés
- 8 parks
- 5 playgrounds
- 1 libraries
- 1 post offices
- 5 places of worship
- 2 gas stations
- 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