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U.S. ZIP Code 51044
5-digit United States postal code #51044, Oto, IA
ZIP code 51044 is located in the city (place name) Oto, сounty Woodbury in the state of Iowa. The population in ZIP code 51044 is 253 and the population density is 2.8. ZIP code 51044 refers to сounty Woodbury having сounty FIPS 19193, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19193: 100%. In the area of the ZIP code 51044 valid time zone America/Chicago.