Kyle, TX ZIP Codes
Kyle, Texas has 2 ZIP codes: 2 for street addresses ( and ).
Your street decides which one you use.
Which Kyle ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Kyle ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Kyle city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Kyle ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 78640 | street delivery Kyle |
| 78666 | street delivery; mail may be addressed to San Marcos San Marcos Annex |
ZIP codes from nearby towns that reach into Kyle
- 78610, mailing town Buda, covers 4 percent of Kyle
Why your mail may say Kyle when you live outside it
Kyle ZIP codes also cover San Marcos, Redwood and Niederwald, so a letter addressed to Kyle can go to a home outside the city limits.
The reverse happens too: parts of Kyle use 78610, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Hays County property records show which city you are in.
Kyle ZIP code questions
What is the main ZIP code for Kyle?
78640, the ZIP code of the main Kyle post office at 555 Veterans Dr.
What county is Kyle in?
Hays County.
ZIP codes for towns near Kyle
More towns near Kyle: Cibolo, Cedar Park, Schertz, Round Rock, Leander, Timberwood Park, Hutto, Georgetown, San Antonio.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections