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U.S. ZIP Code 51244
5-digit United States postal code #51244, Matlock, IA
ZIP code 51244 is located in the city (place name) Matlock, сounty Sioux in the state of Iowa. The population in ZIP code 51244 is 79 and the population density is 100.5. ZIP code 51244 refers to сounty Sioux having сounty FIPS 19167, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19167: 100%. In the area of the ZIP code 51244 valid time zone America/Chicago.