Weslaco, TX ZIP Codes
Weslaco, Texas has 2 ZIP codes: 2 for street addresses ( and ).
Your street decides which one you use.
Which Weslaco 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?
Weslaco ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Weslaco city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Weslaco ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 78596 | street delivery Weslaco |
| 78599 | street delivery Weslaco |
Why your mail may say Weslaco when you live outside it
Weslaco ZIP codes also cover Olivarez, Progreso Lakes and Llano Grande, so a letter addressed to Weslaco can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Hidalgo County property records show which city you are in.
Weslaco ZIP code questions
What is the main ZIP code for Weslaco?
78596, the ZIP code of the main Weslaco post office at 109 N Border Ave.
What county is Weslaco in?
Hidalgo County.
ZIP codes for towns near Weslaco
More towns near Weslaco: Brownsville, Corpus Christi, Laredo, Victoria, San Antonio, Schertz, Cibolo, Seguin, New Braunfels.
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