ZIP code · Old Mission · Michigan · United States
ZIP code 49673 — Old Mission
ZIP code 49673 serves Old Mission, Michigan.
- Postal code
- 49673Single source Value from one source, not cross-checked.
- City
- Old Mission
- County
- Grand Traverse
- State
- Michigan
- Country
- United States
- Coordinates
- 44.9559, -85.4900 — 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/Detroit (UTC−5 / UTC−4 DST)
- Area code
- 231Telephone 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 49673 with another ZIP · ZIPs within 25 miles · distance from 49673
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Feb (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 31 | 41 | 52 | 66 | 76 | 80 | 79 | 71 | 58 | 46 | 35 |
| Avg low °F | 17 | 16 | 22 | 31 | 43 | 52 | 58 | 58 | 51 | 41 | 33 | 25 |
| Precip in | 1.8 | 1.2 | 1.4 | 2.8 | 3.0 | 3.0 | 2.8 | 3.3 | 3.6 | 4.0 | 2.4 | 2.0 |
NOAA 1991–2020 climate normals from the nearest station: OLD MISSION 3SSW (2.7 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