Kyle, TX ZIP Code

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

The ZIP code of Kyle, TX is 78640. It is in Hays County.

Mailing address format for Kyle

John Smith
123 Main St
KYLE TX 78640
USA

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

ZIP code	Population	Area
78640	—	89.6 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 Kyle, TX?

The main ZIP code for Kyle, TX is 78640.

How many ZIP codes does Kyle have?

Kyle has 1 ZIP code.

What county is Kyle, TX in?

Kyle is in Hays County, Texas.

What time zone is Kyle in?

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

What are the coordinates of Kyle?

Latitude 29.99412, longitude -97.88332.

Last updated: November 14, 2026