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U.S. ZIP Code 72170
5-digit United States postal code #72170, Ulm, AR
ZIP code 72170 is located in the city (place name) Ulm, сounty Prairie in the state of Arkansas. The population in ZIP code 72170 is 202 and the population density is 8.4. ZIP code 72170 refers to сounty Prairie having сounty FIPS 05117, the ratio of people from different counties in this ZIP code is as follows: all county weights - 05117: 100%. In the area of the ZIP code 72170 valid time zone America/Chicago.