You are here
U.S. ZIP Code 56731
5-digit United States postal code #56731, Humboldt, MN
ZIP code 56731 is located in the city (place name) Humboldt, сounty Kittson in the state of Minnesota. The population in ZIP code 56731 is 93 and the population density is 1.0. ZIP code 56731 refers to сounty Kittson having сounty FIPS 27069, the ratio of people from different counties in this ZIP code is as follows: all county weights - 27069: 100%. In the area of the ZIP code 56731 valid time zone America/Chicago.