ZIP Code 75407 — Princeton, TX
75407 is a standard (street delivery) ZIP code serving Princeton, Texas, in Collin 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 75407 at a glance
| ZIP code | 75407 |
|---|---|
| Primary city | Princeton |
| State | Texas (TX) |
| County | Collin FIPS 48085 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 34,171 |
| Coordinates | 33.151200, -96.488080 |
How ZIP+4 works in 75407
The four digits after the hyphen encode a delivery segment inside 75407. 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 75407 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 75407.
| ZIP | City | Distance |
|---|---|---|
| 75069 | Mckinney, TX | 6.4 mi |
| 75002 | Allen, TX | 8.1 mi |
| 75442 | Farmersville, TX | 8.2 mi |
| 75173 | Nevada, TX | 8.6 mi |
| 75166 | Lavon, TX | 9.5 mi |
| 75098 | Wylie, TX | 9.8 mi |
| 75454 | Melissa, TX | 10 mi |
| 75071 | Mckinney, TX | 10.4 mi |
| 75094 | Plano, TX | 11.7 mi |
| 75164 | Josephine, TX | 12 mi |
| 75424 | Blue Ridge, TX | 12 mi |
| 75070 | Mckinney, TX | 12.1 mi |
Questions about 75407
What is the ZIP+4 code for 75407?
75407 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 75407, you need to look up a specific street address to get them.
What city is 75407?
75407 is assigned to Princeton, Texas, in Collin 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.