Petersburg County ZIP Codes
Alaska, United States · 2 codes
Petersburg County in Alaska has 2 ZIP codes, from 99830 to 99833, serving 2 places.
ZIP codes in Petersburg
Frequently asked questions
What is the ZIP code of Petersburg?
Petersburg has 2 ZIP codes, from 99830 to 99833. The table lists the places each one serves.
How many places are listed in Petersburg County?
2 places.
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.