Mekoryuk, AK

ZIP code 99630 serves Kalskag, a pair of Yup’ik communities, Upper Kalskag and Lower Kalskag, along Alaska’s Kuskokwim River. The river is a central geographic feature and transportation route. Notable local landmarks include Kalskag Airport, which provides regional air access, and St. Seraphim Chapel, a historic Russian Orthodox site reflecting the area’s religious and cultural heritage.