| City: | Duncanville, Texas |
| County: | Dallas County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 7:33:24 PM |
| Population: | No Population Data |
| Area Codes: | 214 / 945 |
| Classification: | PO Box |
| Coordinates: | 32.6517, -96.9082 |
| Quick Link: |
ZIP code 75138 serves a single post office location within Duncanville, Texas, a suburb in the southwestern portion of the Dallas-Fort Worth Metroplex. This isn't a geographic territory with residents. It's a PO Box-only ZIP embedded within the larger Duncanville community. The surrounding neighborhoods receive street delivery through other Duncanville ZIP codes.
The post office maintains 575 PO Boxes and serves 319 business delivery points. All 138 street-type ZIP+4 records point to a single address: S Cedar Ridge Drive with unit numbers. This is the post office building itself, located in the Fairmeadows Village area near Duncanville Plaza. Fourteen businesses with 39 employees operate at addresses using this ZIP code.
This ZIP illustrates a common suburban pattern. When a community like Duncanville needs additional postal capacity, USPS creates a PO Box-only ZIP for a specific post office rather than expanding the primary ZIP. Residents who want a PO Box can rent one here, while their home addresses use Duncanville's standard delivery ZIP codes. The 0.002 square mile footprint confirms this is just the post office property, not a neighborhood.
The only street is S Cedar Ridge Drive, which is the post office building address with unit designators for individual PO Boxes.
ZIP Code 75138 supports both business and residential activity. According to the Business Census (2024), there are 13 business establishments, employing about 32 people with an annual payroll of $1,355,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,408Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 13Source: CBP |
| 1st Quarter Payroll: | $291,000Source: CBP |
| Annual Payroll: | $1,355,000Source: CBP |
| # of Employees: | 32Source: CBP |
ZIP Code 75138 is located in Dallas County, Texas, within the Dallas-Fort Worth-Arlington, TX Metropolitan Statistical Area (CBSA 19100) and Texas's 30th Congressional District. This Metro area has a population of 7,807,555 people, about 0.00% of whom live in ZIP Code 75138, and is subdivided into the Dallas-Plano-Irving, TX division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Dallas-Fort Worth-Arlington, TXSource: Census |
| CBSA Number: | 19100Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Dallas-Plano-Irving, TX (CBSA Div 19124)Source: Census |
| CBSA Population: | 7,807,555Source: Census |
| MSA: | Dallas-Fort Worth, TX CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 30Source: USPS |
| Congressional Land Area: | 356.27 sq miSource: Census |
| PMSA: | Dallas, TX PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4821628Source: Census |
| Place Name: | Duncanville city; TexasSource: Census |
We could not locate which school district 75138 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.