Smith County ZIP Codes
Texas, United States · 22 codes
Smith County in Texas has 22 ZIP codes, from 75701 to 75799, serving 22 places.
ZIP codes in Smith
Frequently asked questions
What is the ZIP code of Smith?
Smith has 22 ZIP codes, from 75701 to 75799. The table lists the places each one serves.
How many places are listed in Smith County?
22 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.