Pittsburg County ZIP Codes
Oklahoma, United States · 16 codes
Pittsburg County in Oklahoma has 16 ZIP codes, from 74425 to 74576, serving 16 places.
ZIP codes in Pittsburg
Frequently asked questions
What is the ZIP code of Pittsburg?
Pittsburg has 16 ZIP codes, from 74425 to 74576. The table lists the places each one serves.
How many places are listed in Pittsburg County?
16 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.