ZIP code · Grand Rapids · Minnesota · United States

ZIP code 55745 — Grand Rapids

ZIP code 55745 serves Grand Rapids, Minnesota.

Postal code
55745
Single source Value from one source, not cross-checked.
City
Grand Rapids
County
Itasca
State
Minnesota
Country
United States
Coordinates
47.2372, -93.5302 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone
4a (-30 to -25 °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
218
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.

Climate — monthly normals

Warmest month Jul (avg high 80°F), coldest Jan (avg low -2°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F192639536675807868533623
Avg low °F-221528405155534533207
Precip in1.00.81.32.13.24.74.13.43.02.81.61.2

NOAA 1991–2020 climate normals from the nearest station: GRAND RPDS FOREST LAB (1.6 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