ZIP Code 75491 — Whitewright, TX
75491 is a standard (street delivery) ZIP code serving Whitewright, Texas, in Grayson 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 75491 at a glance
| ZIP code | 75491 |
|---|---|
| Primary city | Whitewright |
| State | Texas (TX) |
| County | Grayson FIPS 48181 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,471 |
| Coordinates | 33.497410, -96.394850 |
How ZIP+4 works in 75491
The four digits after the hyphen encode a delivery segment inside 75491. 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 75491 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 75491.
| ZIP | City | Distance |
|---|---|---|
| 75489 | Tom Bean, TX | 5.4 mi |
| 75490 | Trenton, TX | 6.6 mi |
| 75439 | Ector, TX | 7.7 mi |
| 75475 | Randolph, TX | 7.9 mi |
| 75414 | Bells, TX | 9.1 mi |
| 75479 | Savoy, TX | 9.7 mi |
| 75495 | Van Alstyne, TX | 10 mi |
| 75452 | Leonard, TX | 11.3 mi |
| 75090 | Sherman, TX | 11.5 mi |
| 75409 | Anna, TX | 12.6 mi |
| 75424 | Blue Ridge, TX | 13.3 mi |
| 75418 | Bonham, TX | 13.5 mi |
Questions about 75491
What is the ZIP+4 code for 75491?
75491 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 75491, you need to look up a specific street address to get them.
What city is 75491?
75491 is assigned to Whitewright, Texas, in Grayson 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.