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U.S. ZIP Code 99753
5-digit United States postal code #99753, Koyuk, AK
ZIP code 99753 is located in the city (place name) Koyuk, сounty Nome in the state of Alaska. The population in ZIP code 99753 is 332 and the population density is 26.9. ZIP code 99753 refers to сounty Nome having сounty FIPS 02180, the ratio of people from different counties in this ZIP code is as follows: all county weights - 02180: 100%. In the area of the ZIP code 99753 valid time zone America/Anchorage.