ZIP Code 75457 — Mount Vernon, TX
75457 is a standard (street delivery) ZIP code serving Mount Vernon, Texas, in Franklin 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 75457 at a glance
| ZIP code | 75457 |
|---|---|
| Primary city | Mount Vernon |
| State | Texas (TX) |
| County | Franklin FIPS 48159 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 6,175 |
| Coordinates | 33.174600, -95.211250 |
How ZIP+4 works in 75457
The four digits after the hyphen encode a delivery segment inside 75457. 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 75457 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 75457.
| ZIP | City | Distance |
|---|---|---|
| 75493 | Winfield, TX | 6.1 mi |
| 75478 | Saltillo, TX | 8.1 mi |
| 75480 | Scroggins, TX | 10.6 mi |
| 75487 | Talco, TX | 11.4 mi |
| 75471 | Pickton, TX | 13.6 mi |
| 75481 | Sulphur Bluff, TX | 13.7 mi |
| 75455 | Mount Pleasant, TX | 13.7 mi |
| 75451 | Leesburg, TX | 15.6 mi |
| 75437 | Dike, TX | 15.7 mi |
| 75434 | Cunningham, TX | 18.3 mi |
| 75431 | Como, TX | 18.6 mi |
| 75494 | Winnsboro, TX | 18.6 mi |
Questions about 75457
What is the ZIP+4 code for 75457?
75457 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 75457, you need to look up a specific street address to get them.
What city is 75457?
75457 is assigned to Mount Vernon, Texas, in Franklin 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.