Sullivan County ZIP Codes
Pennsylvania, United States · 9 codes
Sullivan County in Pennsylvania has 9 ZIP codes, from 17731 to 18632, serving 9 places.
ZIP codes in Sullivan
Frequently asked questions
What is the ZIP code of Sullivan?
Sullivan has 9 ZIP codes, from 17731 to 18632. The table lists the places each one serves.
How many places are listed in Sullivan County?
9 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.