ZIP Code 48440 — Hadley, MI
48440 is a standard (street delivery) ZIP code serving Hadley, Michigan, in Lapeer 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 48440 at a glance
| ZIP code | 48440 |
|---|---|
| Primary city | Hadley |
| State | Michigan (MI) |
| County | Lapeer FIPS 26087 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 146 |
| Coordinates | 42.955670, -83.407850 |
How ZIP+4 works in 48440
The four digits after the hyphen encode a delivery segment inside 48440. 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 48440 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 48440.
| ZIP | City | Distance |
|---|---|---|
| 48438 | Goodrich, MI | 4.7 mi |
| 48455 | Metamora, MI | 6 mi |
| 48411 | Atlas, MI | 6.4 mi |
| 48462 | Ortonville, MI | 7.5 mi |
| 48446 | Lapeer, MI | 7.6 mi |
| 48423 | Davison, MI | 7.9 mi |
| 48371 | Oxford, MI | 9.7 mi |
| 48519 | Burton, MI | 10.3 mi |
| 48509 | Burton, MI | 11.1 mi |
| 48439 | Grand Blanc, MI | 11.5 mi |
| 48529 | Burton, MI | 12.9 mi |
| 48348 | Clarkston, MI | 13 mi |
Questions about 48440
What is the ZIP+4 code for 48440?
48440 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 48440, you need to look up a specific street address to get them.
What city is 48440?
48440 is assigned to Hadley, Michigan, in Lapeer 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.