ZIP Code 75791 — Whitehouse, TX
75791 is a standard (street delivery) ZIP code serving Whitehouse, Texas, in Smith 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 75791 at a glance
| ZIP code | 75791 |
|---|---|
| Primary city | Whitehouse |
| State | Texas (TX) |
| County | Smith FIPS 48423 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 15,786 |
| Coordinates | 32.222140, -95.221030 |
How ZIP+4 works in 75791
The four digits after the hyphen encode a delivery segment inside 75791. 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 75791 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 75791.
| ZIP | City | Distance |
|---|---|---|
| 75703 | Tyler, TX | 5.9 mi |
| 75707 | Tyler, TX | 6.4 mi |
| 75701 | Tyler, TX | 8.2 mi |
| 75711 | Tyler, TX | 8.7 mi |
| 75750 | Arp, TX | 9.4 mi |
| 75757 | Bullard, TX | 10.5 mi |
| 75789 | Troup, TX | 10.6 mi |
| 75702 | Tyler, TX | 11.1 mi |
| 75762 | Flint, TX | 11.2 mi |
| 75709 | Tyler, TX | 11.6 mi |
| 75705 | Tyler, TX | 11.7 mi |
| 75708 | Tyler, TX | 13.3 mi |
Questions about 75791
What is the ZIP+4 code for 75791?
75791 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 75791, you need to look up a specific street address to get them.
What city is 75791?
75791 is assigned to Whitehouse, Texas, in Smith 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.