ZIP Code 75071 — Mckinney, TX
75071 is a standard (street delivery) ZIP code serving Mckinney, 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 75071 at a glance
| ZIP code | 75071 |
|---|---|
| Primary city | Mckinney |
| State | Texas (TX) |
| County | Collin FIPS 48085 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 72,964 |
| Coordinates | 33.245580, -96.629510 |
How ZIP+4 works in 75071
The four digits after the hyphen encode a delivery segment inside 75071. 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 75071 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.
Other ZIP codes in Mckinney
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 75071.
| ZIP | City | Distance |
|---|---|---|
| 75454 | Melissa, TX | 4.7 mi |
| 75069 | Mckinney, TX | 5.7 mi |
| 75072 | Mckinney, TX | 5.8 mi |
| 75070 | Mckinney, TX | 7.3 mi |
| 75409 | Anna, TX | 9.4 mi |
| 75009 | Celina, TX | 9.5 mi |
| 75013 | Allen, TX | 9.8 mi |
| 75035 | Frisco, TX | 10.3 mi |
| 75078 | Prosper, TX | 10.3 mi |
| 75407 | Princeton, TX | 10.4 mi |
| 75002 | Allen, TX | 10.9 mi |
| 75025 | Plano, TX | 12.5 mi |
Questions about 75071
What is the ZIP+4 code for 75071?
75071 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 75071, you need to look up a specific street address to get them.
What city is 75071?
75071 is assigned to Mckinney, 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.