ZIP code · Bay City · Michigan · United States
ZIP code 48707 — Bay City
ZIP code 48707 serves Bay City, Michigan.
- Postal code
- 48707Single source Value from one source, not cross-checked.
- City
- Bay City
- County
- Bay
- State
- Michigan
- Country
- United States
- Coordinates
- 43.7378, -83.9333 — precision precise (locality)
View on OpenStreetMap - 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/Detroit (UTC−5 / UTC−4 DST)
- Area code
- 989Telephone 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 48707 with another ZIP · ZIPs within 25 miles · distance from 48707
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 14°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 33 | 42 | 56 | 68 | 78 | 83 | 81 | 74 | 61 | 48 | 35 |
| Avg low °F | 14 | 15 | 24 | 34 | 45 | 55 | 58 | 56 | 49 | 40 | 30 | 21 |
NOAA 1991–2020 climate normals from the nearest station: AUBURN 2NE (8.9 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