ZIP Code 48624 — Gladwin, MI
48624 is a standard (street delivery) ZIP code serving Gladwin, Michigan, in Gladwin 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 48624 at a glance
| ZIP code | 48624 |
|---|---|
| Primary city | Gladwin |
| State | Michigan (MI) |
| County | Gladwin FIPS 26051 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 16,234 |
| Coordinates | 44.059190, -84.458590 |
How ZIP+4 works in 48624
The four digits after the hyphen encode a delivery segment inside 48624. 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 48624 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 48624.
| ZIP | City | Distance |
|---|---|---|
| 48612 | Beaverton, MI | 12.4 mi |
| 48610 | Alger, MI | 14.6 mi |
| 48651 | Prudenville, MI | 15.4 mi |
| 48613 | Bentley, MI | 16.9 mi |
| 48620 | Edenville, MI | 17.7 mi |
| 48625 | Harrison, MI | 18.7 mi |
| 48652 | Rhodes, MI | 19.2 mi |
| 48617 | Clare, MI | 19.5 mi |
| 48656 | Saint Helen, MI | 20 mi |
| 48659 | Sterling, MI | 20.2 mi |
| 48628 | Hope, MI | 20.2 mi |
| 48661 | West Branch, MI | 21.6 mi |
Questions about 48624
What is the ZIP+4 code for 48624?
48624 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 48624, you need to look up a specific street address to get them.
What city is 48624?
48624 is assigned to Gladwin, Michigan, in Gladwin 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.