ZIP Code 48710 — University Center, MI
48710 is a standard (street delivery) ZIP code serving University Center, Michigan, in Bay 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 48710 at a glance
| ZIP code | 48710 |
|---|---|
| Primary city | University Center |
| State | Michigan (MI) |
| County | Bay FIPS 26017 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Coordinates | 43.556490, -83.987810 |
How ZIP+4 works in 48710
The four digits after the hyphen encode a delivery segment inside 48710. 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 48710 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 48710.
| ZIP | City | Distance |
|---|---|---|
| 48706 | Bay City, MI | 3.4 mi |
| 48604 | Saginaw, MI | 4.3 mi |
| 48603 | Saginaw, MI | 6.8 mi |
| 48708 | Bay City, MI | 7 mi |
| 48611 | Auburn, MI | 7.4 mi |
| 48724 | Carrollton, MI | 7.5 mi |
| 48623 | Freeland, MI | 7.8 mi |
| 48631 | Kawkawlin, MI | 8.9 mi |
| 48607 | Saginaw, MI | 9 mi |
| 48602 | Saginaw, MI | 9.5 mi |
| 48638 | Saginaw, MI | 9.8 mi |
| 48732 | Essexville, MI | 10.8 mi |
Questions about 48710
What is the ZIP+4 code for 48710?
48710 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 48710, you need to look up a specific street address to get them.
What city is 48710?
48710 is assigned to University Center, Michigan, in Bay 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.