ZIP Code 99788
Chalkyitsik · Yukon-Koyukuk (CA), Alaska
99788 is the ZIP code of Chalkyitsik in Yukon-Koyukuk (CA), Alaska, United States.
- ZIP Code
- 99788
- County
- Yukon-Koyukuk (CA)
- State
- Alaska
- Country
- United States
Place with ZIP code 99788
| Place | County | Location |
|---|---|---|
| Chalkyitsik | Yukon-Koyukuk (CA) | 66.654, -143.722 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 99788?
Chalkyitsik.
Which county and state is 99788 in?
Yukon-Koyukuk (CA), Alaska, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.