| Locality | Post Code |
|---|---|
| Allakaket, Yukon-Koyukuk | 99720 |
| Anvik, Yukon-Koyukuk | 99558 |
| Arctic Village, Yukon-Koyukuk | 99722 |
| Beaver, Yukon-Koyukuk | 99724 |
| Bettles, Yukon-Koyukuk | 99726 |
| Bettles Field, Yukon-Koyukuk | 99726 |
| Central, Yukon-Koyukuk | 99730 |
| Chalkyitsik, Yukon-Koyukuk | 99788 |
| Circle, Yukon-Koyukuk | 99733 |
| Fairbanks, Yukon-Koyukuk | 99767 |
| Fort Yukon, Yukon-Koyukuk | 99740 |
| Galena, Yukon-Koyukuk | 99741 |
| Grayling, Yukon-Koyukuk | 99590 |
| Holy Cross, Yukon-Koyukuk | 99602 |
| Hughes, Yukon-Koyukuk | 99745 |
| Huslia, Yukon-Koyukuk | 99746 |
| Kaltag, Yukon-Koyukuk | 99748 |
| Koyukuk, Yukon-Koyukuk | 99754 |
| Lake Minchumina, Yukon-Koyukuk | 99757 |
| Manley Hot Springs, Yukon-Koyukuk | 99756 |
| McGrath, Yukon-Koyukuk | 99627 |
| Minto, Yukon-Koyukuk | 99758 |
| Nenana, Yukon-Koyukuk | 99760 |
| Nikolai, Yukon-Koyukuk | 99691 |
| Nulato, Yukon-Koyukuk | 99765 |
| Rampart, Yukon-Koyukuk | 99767 |