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U.S. ZIP Code 61938
5-digit United States postal code #61938, Mattoon, IL
ZIP code 61938 is located in the city (place name) Mattoon, сounty Coles in the state of Illinois. The population in ZIP code 61938 is 22409 and the population density is 69.4. ZIP code 61938 refers to сounty Coles having сounty FIPS 17029, the ratio of people from different counties in this ZIP code is as follows: all county weights - 17029: 100%. In the area of the ZIP code 61938 valid time zone America/Chicago.