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U.S. ZIP Code 51440
5-digit United States postal code #51440, Dedham, IA
ZIP code 51440 is located in the city (place name) Dedham, сounty Carroll in the state of Iowa. The population in ZIP code 51440 is 400 and the population density is 6.1. ZIP code 51440 refers to сounty Carroll having сounty FIPS 19027, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19027: 100%. In the area of the ZIP code 51440 valid time zone America/Chicago.