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U.S. ZIP Code 51540
5-digit United States postal code #51540, Hastings, IA
ZIP code 51540 is located in the city (place name) Hastings, сounty Mills in the state of Iowa. The population in ZIP code 51540 is 449 and the population density is 3.2. ZIP code 51540 refers to сounty Mills having сounty FIPS 19129, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19129: 100%. In the area of the ZIP code 51540 valid time zone America/Chicago.