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U.S. ZIP Code 51647
5-digit United States postal code #51647, Northboro, IA
ZIP code 51647 is located in the city (place name) Northboro, сounty Page in the state of Iowa. The population in ZIP code 51647 is 141 and the population density is 2.8. ZIP code 51647 refers to сounty Page having сounty FIPS 19145, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19145: 100%. In the area of the ZIP code 51647 valid time zone America/Chicago.