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U.S. ZIP Code 63534
5-digit United States postal code #63534, Callao, MO
ZIP code 63534 is located in the city (place name) Callao, сounty Macon in the state of Missouri. The population in ZIP code 63534 is 804 and the population density is 4.2. ZIP code 63534 refers to сounty Macon having сounty FIPS 29121, the ratio of people from different counties in this ZIP code is as follows: all county weights - 29121: 100%. In the area of the ZIP code 63534 valid time zone America/Chicago.