ZIP Code 75070 — Mckinney, TX
75070 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 75070 at a glance
| ZIP code | 75070 |
|---|---|
| Primary city | Mckinney |
| State | Texas (TX) |
| County | Collin FIPS 48085 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 64,078 |
| Coordinates | 33.155870, -96.697420 |
How ZIP+4 works in 75070
The four digits after the hyphen encode a delivery segment inside 75070. 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 75070 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 75070.
| ZIP | City | Distance |
|---|---|---|
| 75072 | Mckinney, TX | 2.2 mi |
| 75013 | Allen, TX | 2.9 mi |
| 75035 | Frisco, TX | 4.4 mi |
| 75025 | Plano, TX | 5.2 mi |
| 75069 | Mckinney, TX | 5.9 mi |
| 75002 | Allen, TX | 7 mi |
| 75023 | Plano, TX | 7.2 mi |
| 75071 | Mckinney, TX | 7.3 mi |
| 75024 | Plano, TX | 8.4 mi |
| 75034 | Frisco, TX | 8.5 mi |
| 75074 | Plano, TX | 8.6 mi |
| 75033 | Frisco, TX | 8.7 mi |
Questions about 75070
What is the ZIP+4 code for 75070?
75070 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 75070, you need to look up a specific street address to get them.
What city is 75070?
75070 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.