Pena, TX ZIP Code

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

The ZIP code of Pena, TX is 78585. It is in Starr County.

Mailing address format for Pena

John Smith
123 Main St
PENA TX 78585
USA

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

ZIP code	Population	Area
78585	—	1.7 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 Pena, TX?

The main ZIP code for Pena, TX is 78585.

How many ZIP codes does Pena have?

Pena has 1 ZIP code.

What county is Pena, TX in?

Pena is in Starr County, Texas.

What time zone is Pena in?

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

What are the coordinates of Pena?

Latitude 26.41551, longitude -98.96998.

Last updated: November 14, 2026