ZIP Code 79781 — Sheffield, TX
79781 is a standard (street delivery) ZIP code serving Sheffield, Texas, in Terrell 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 79781 at a glance
| ZIP code | 79781 |
|---|---|
| Primary city | Sheffield |
| State | Texas (TX) |
| County | Terrell FIPS 48443 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 74 |
| Coordinates | 30.601110, -101.753480 |
How ZIP+4 works in 79781
The four digits after the hyphen encode a delivery segment inside 79781. 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 79781 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 79781.
| ZIP | City | Distance |
|---|---|---|
| 79744 | Iraan, TX | 22.1 mi |
| 76943 | Ozona, TX | 26.7 mi |
| 78851 | Dryden, TX | 27.8 mi |
| 79848 | Sanderson, TX | 37.6 mi |
Questions about 79781
What is the ZIP+4 code for 79781?
79781 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 79781, you need to look up a specific street address to get them.
What city is 79781?
79781 is assigned to Sheffield, Texas, in Terrell 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.