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U.S. ZIP Code 66554
5-digit United States postal code #66554, Randolph, KS
ZIP code 66554 is located in the city (place name) Randolph, сounty Riley in the state of Kansas. The population in ZIP code 66554 is 567 and the population density is 2.0. ZIP code 66554 refers to сounty Riley having сounty FIPS 20161, the ratio of people from different counties in this ZIP code is as follows: all county weights - 20161: 100%. In the area of the ZIP code 66554 valid time zone America/Chicago.