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U.S. ZIP Code 52729
5-digit United States postal code #52729, Calamus, IA
ZIP code 52729 is located in the city (place name) Calamus, сounty Clinton in the state of Iowa. The population in ZIP code 52729 is 874 and the population density is 8.0. ZIP code 52729 refers to сounty Clinton having сounty FIPS 19045, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19045: 100%. In the area of the ZIP code 52729 valid time zone America/Chicago.