Polk County ZIP Codes
Tennessee, United States · 10 codes
Polk County in Tennessee has 10 ZIP codes, from 37307 to 37391, serving 10 places.
ZIP codes in Polk
Frequently asked questions
What is the ZIP code of Polk?
Polk has 10 ZIP codes, from 37307 to 37391. The table lists the places each one serves.
How many places are listed in Polk County?
10 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.