ZIP Code 75159 — Seagoville, TX
75159 is a standard (street delivery) ZIP code serving Seagoville, 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 75159 at a glance
| ZIP code | 75159 |
|---|---|
| Primary city | Seagoville |
| State | Texas (TX) |
| County | Dallas FIPS 48113 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 23,456 |
| Coordinates | 32.606520, -96.539390 |
How ZIP+4 works in 75159
The four digits after the hyphen encode a delivery segment inside 75159. 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 75159 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 75159.
| ZIP | City | Distance |
|---|---|---|
| 75114 | Crandall, TX | 5.6 mi |
| 75253 | Dallas, TX | 6.2 mi |
| 75125 | Ferris, TX | 6.9 mi |
| 75172 | Wilmer, TX | 7.9 mi |
| 75181 | Mesquite, TX | 8.4 mi |
| 75180 | Balch Springs, TX | 9 mi |
| 75141 | Hutchins, TX | 9.2 mi |
| 75126 | Forney, TX | 10.7 mi |
| 75217 | Dallas, TX | 11.1 mi |
| 75157 | Rosser, TX | 11.3 mi |
| 75149 | Mesquite, TX | 12.1 mi |
| 75146 | Lancaster, TX | 12.5 mi |
Questions about 75159
What is the ZIP+4 code for 75159?
75159 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 75159, you need to look up a specific street address to get them.
What city is 75159?
75159 is assigned to Seagoville, 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.