Grainger County ZIP Codes
Tennessee, United States · 6 codes
Grainger County in Tennessee has 6 ZIP codes, from 37708 to 37888, serving 6 places.
ZIP codes in Grainger
Frequently asked questions
What is the ZIP code of Grainger?
Grainger has 6 ZIP codes, from 37708 to 37888. The table lists the places each one serves.
How many places are listed in Grainger County?
6 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.