Lamar County ZIP Codes
Texas, United States · 14 codes
Lamar County in Texas has 14 ZIP codes, from 75411 to 75486, serving 14 places.
ZIP codes in Lamar
Frequently asked questions
What is the ZIP code of Lamar?
Lamar has 14 ZIP codes, from 75411 to 75486. The table lists the places each one serves.
How many places are listed in Lamar County?
14 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.