Duncanville, TX ZIP Codes
Duncanville, Texas has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Duncanville 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?
Duncanville ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
75138 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Duncanville city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Duncanville ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 75116 | street delivery Duncanville |
| 75137 | street delivery Duncanville |
| 75138 | PO boxes at the Duncanville post office Duncanville |
Duncanville ZIP code questions
What is the main ZIP code for Duncanville?
75116, the ZIP code of the main Duncanville post office at 711 S Cedar Ridge Dr.
Which Duncanville ZIP codes are for PO boxes only?
75138. Mail to it goes to boxes at the post office, not to street addresses.
What county is Duncanville in?
Dallas County.
ZIP codes for towns near Duncanville
More towns near Duncanville: Mansfield, Dallas, Irving, Euless, Waxahachie, Bedford, Farmers Branch, Hurst, Mesquite.
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