Lamar, TX ZIP Code

ZIP code, county, time zone and coordinates of Lamar, Texas

The ZIP code of Lamar, TX is 78382. It is in Aransas County.

Mailing address format for Lamar

John Smith
123 Main St
LAMAR TX 78382
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

ZIP code	Population	Area
78382	—	79.9 sq mi	Main

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

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What is the ZIP code for Lamar, TX?

The main ZIP code for Lamar, TX is 78382.

How many ZIP codes does Lamar have?

Lamar has 1 ZIP code.

What county is Lamar, TX in?

Lamar is in Aransas County, Texas.

What time zone is Lamar in?

Lamar is in the America/Chicago time zone (CST, UTC-06:00 right now).

What are the coordinates of Lamar?

Latitude 28.14034, longitude -96.98782.

Last updated: November 14, 2026