ZIP code · Amasa · Michigan · United States
ZIP code 49903 — Amasa
ZIP code 49903 serves Amasa, Michigan.
- Postal code
- 49903Single source Value from one source, not cross-checked.
- City
- Amasa
- County
- Iron FIPS 26071
- State
- Michigan
- Country
- United States
- Coordinates
- 46.2321, -88.4508 — precision precise (locality)
View on OpenStreetMap - Population
- 228 (ZCTA, ACS 5-year)
- Population density
- 1 / sq mi
- Land area
- 157 sq mi (406.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $38,266
- Per-capita income
- $29,445
- Median age
- 68.4
- Households
- 147
- Housing units
- 390
- Median home value
- $56,700
- Median gross rent
- $333 / month
- Congressional district
- MI-1 (119th Congress)
- 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/Menominee (UTC−6 / UTC−5 DST)
- Area code
- 906Telephone 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 49903 with another ZIP · ZIPs within 25 miles · distance from 49903
Map of ZIP code 49903
Climate — monthly normals
Warmest month Jul (avg high 79°F), coldest Jan (avg low 0°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 22 | 26 | 37 | 50 | 65 | 74 | 79 | 76 | 68 | 54 | 39 | 27 |
| Avg low °F | 0 | 0 | 10 | 24 | 37 | 46 | 51 | 49 | 42 | 31 | 21 | 8 |
| Precip in | 1.3 | 1.1 | 1.7 | 2.8 | 3.1 | 3.6 | 3.9 | 3.2 | 3.6 | 3.3 | 2.1 | 1.6 |
NOAA 1991–2020 climate normals from the nearest station: AMASA 1W (0.2 mi) · NOAA NCEI
Places in ZIP 49903
- 2 bars & pubs
- 2 parks
- 1 libraries
- 1 post offices
- 3 places of worship
- 1 gas 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