ZIP Code 75478 — Saltillo, TX
75478 is a standard (street delivery) ZIP code serving Saltillo, Texas, in Hopkins 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 75478 at a glance
| ZIP code | 75478 |
|---|---|
| Primary city | Saltillo |
| State | Texas (TX) |
| County | Hopkins FIPS 48223 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 927 |
| Coordinates | 33.172760, -95.352260 |
How ZIP+4 works in 75478
The four digits after the hyphen encode a delivery segment inside 75478. 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 75478 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 75478.
| ZIP | City | Distance |
|---|---|---|
| 75457 | Mount Vernon, TX | 8.1 mi |
| 75437 | Dike, TX | 8.7 mi |
| 75471 | Pickton, TX | 9.1 mi |
| 75481 | Sulphur Bluff, TX | 10.1 mi |
| 75431 | Como, TX | 13.1 mi |
| 75480 | Scroggins, TX | 14 mi |
| 75493 | Winfield, TX | 14 mi |
| 75482 | Sulphur Springs, TX | 14.9 mi |
| 75487 | Talco, TX | 15.6 mi |
| 75434 | Cunningham, TX | 16.5 mi |
| 75450 | Lake Creek, TX | 17.5 mi |
| 75494 | Winnsboro, TX | 18.9 mi |
Questions about 75478
What is the ZIP+4 code for 75478?
75478 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 75478, you need to look up a specific street address to get them.
What city is 75478?
75478 is assigned to Saltillo, Texas, in Hopkins 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.