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U.S. ZIP Code 48721
5-digit United States postal code #48721, Black River, MI
ZIP code 48721 is located in the city (place name) Black River, сounty Alcona in the state of Michigan. The population in ZIP code 48721 is 411 and the population density is 5.8. ZIP code 48721 refers to сounty Alcona having сounty FIPS 26001, the ratio of people from different counties in this ZIP code is as follows: all county weights - 26001: 100%. In the area of the ZIP code 48721 valid time zone America/Detroit.
ZIP: 48721
County: Alcona
Place Name: Black River
State: Michigan
State Abbreviation: MI
Coordinates: 44° 48' 18.468" N, 83° 20' 43.944" W
Latitude: 44.805130000000
Longitude: -83.345540000000
Population: 411
Density: 5.8/km2
Time zone: America/Detroit
County FIPS: 26001
All county weights: 26001: 100%