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U.S. ZIP Code 49420
5-digit United States postal code #49420, Hart, MI
ZIP code 49420 is located in the city (place name) Hart, сounty Oceana in the state of Michigan. The population in ZIP code 49420 is 6420 and the population density is 21.0. ZIP code 49420 refers to сounty Oceana having сounty FIPS 26127, the ratio of people from different counties in this ZIP code is as follows: all county weights - 26127: 100%. In the area of the ZIP code 49420 valid time zone America/Detroit.