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U.S. ZIP Code 99788
5-digit United States postal code #99788, Chalkyitsik, AK
ZIP code 99788 is located in the city (place name) Chalkyitsik, сounty Yukon-Koyukuk in the state of Alaska. The population in ZIP code 99788 is 69 and the population density is 3.1. ZIP code 99788 refers to сounty Yukon-Koyukuk having сounty FIPS 02290, the ratio of people from different counties in this ZIP code is as follows: all county weights - 02290: 100%. In the area of the ZIP code 99788 valid time zone America/Anchorage.
ZIP: 99788
County: Yukon-Koyukuk
Place Name: Chalkyitsik
State: Alaska
State Abbreviation: AK
Coordinates: 66° 38' 46.752" N, 143° 46' 53.04" W
Latitude: 66.646320000000
Longitude: -143.781400000000
Population: 69
Density: 3.1/km2
Time zone: America/Anchorage
County FIPS: 02290
All county weights: 02290: 100%