U.S. postal lookup

U.S. ZIP Codes Database 2026

Search by ZIP code, city, county, or state and find clear postal details with maps, time zones, and area code data.

42,735 verified records
All states and U.S. territories
Maps and coordinates
County directory

Lamar County ZIP Codes

Browse all ZIP Codes, cities, and associated area codes registered in Lamar County.

County State ZIP Code City Area Codes
Lamar County MS 39475 Purvis 601, 769
Lamar County MS 39482 Sumrall 601, 769
Lamar County TX 75411 Arthur City 430, 580, 903
Lamar County TX 75416 Blossom 430, 903
Lamar County TX 75421 Brookston 430, 903
Lamar County TX 75425 Chicota 903
Lamar County TX 75434 Cunningham 430, 903
Lamar County TX 75435 Deport 430, 903
Lamar County TX 75460 Paris 430, 903
Lamar County TX 75461 Paris 903
Page 2 of 3

Geographic Map of Lamar County

Postal context

About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.