| Post Office Name | US Post Office |
| Address | 7th St |
| City | South Naknek |
| State | Alaska |
| Phone Number | (800) 275-8777 |
| Latitude | 58.6646 |
| Longitude | -156.9142 |
99670 US Post Office in South Naknek, Alaska is located at 7th St. The South Naknek Post Office Number is (800) 275-8777