Petersburg zipcode
| City | Petersburg |
| ZIP Code | 99833 |
| Type | PO Box |
| State Code | AK |
| State | Alaska |
ZIP code of Petersburg is 99833. This place is located in Alaska state in US. To send any postal service to Petersburg, you must use 99833 zipcode.
The ZIP code 99833 is also used with 1 more city name of Alaska.
- Kupreanof, AK