ZIP Code 75172 — Wilmer, TX
75172 is a standard (street delivery) ZIP code serving Wilmer, Texas, in Dallas County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 75172 at a glance
| ZIP code | 75172 |
|---|---|
| Primary city | Wilmer |
| State | Texas (TX) |
| County | Dallas FIPS 48113 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,806 |
| Coordinates | 32.603690, -96.674580 |
How ZIP+4 works in 75172
The four digits after the hyphen encode a delivery segment inside 75172. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 75172 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 75172.
| ZIP | City | Distance |
|---|---|---|
| 75141 | Hutchins, TX | 2.7 mi |
| 75146 | Lancaster, TX | 4.9 mi |
| 75253 | Dallas, TX | 6 mi |
| 75125 | Ferris, TX | 6.1 mi |
| 75134 | Lancaster, TX | 6.3 mi |
| 75241 | Dallas, TX | 6.6 mi |
| 75217 | Dallas, TX | 7.5 mi |
| 75159 | Seagoville, TX | 7.9 mi |
| 75180 | Balch Springs, TX | 8.6 mi |
| 75154 | Red Oak, TX | 9.6 mi |
| 75216 | Dallas, TX | 9.7 mi |
| 75232 | Dallas, TX | 10.3 mi |
Questions about 75172
What is the ZIP+4 code for 75172?
75172 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 75172, you need to look up a specific street address to get them.
What city is 75172?
75172 is assigned to Wilmer, Texas, in Dallas County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.