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  2. What is the zip code of Leander, TX, 78646

Leander (TX) Zip Code is 78646 Latest Details Nov, 2025

Updated: 06-11-2025

Leander (TX) zip Code is 78646, Postal Code details. Leander is located in state TX, United States.

Find Zip Code 78646 Details

ZIP code 78646 is located in Leander TX in the United States.

Postal Code United States Zip Code 78646 Latest update Leander, TX
Zip Code / Postal Code 78646

City

Leander

State Code

TX

County

Williamson, United States

Postal Locations

Leander, TX - Zip Code is - 78646

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 78646 is an essential part of the postal system in Leander, TX. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Leander has a lot to offer.

FAQ about Zip Code 78646, Leander, (TX)

What is Zip code Leander?

Leander Zip Code: 78646, used by the Leander Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Williamson, TX. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Leander?

Leander Postal Code is: 78646

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