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U.S. ZIP Code 50120
5-digit United States postal code #50120, Haverhill, IA
ZIP code 50120 is located in the city (place name) Haverhill, сounty Marshall in the state of Iowa. The population in ZIP code 50120 is 323 and the population density is 7.4. ZIP code 50120 refers to сounty Marshall having сounty FIPS 19127, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19127: 100%. In the area of the ZIP code 50120 valid time zone America/Chicago.