ZIP Code 49688 — Tustin, MI
49688 is a standard (street delivery) ZIP code serving Tustin, Michigan, in Osceola 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 49688 at a glance
| ZIP code | 49688 |
|---|---|
| Primary city | Tustin |
| State | Michigan (MI) |
| County | Osceola FIPS 26133 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 2,508 |
| Coordinates | 44.121150, -85.443490 |
How ZIP+4 works in 49688
The four digits after the hyphen encode a delivery segment inside 49688. 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 49688 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 49688.
| ZIP | City | Distance |
|---|---|---|
| 49655 | Leroy, MI | 6.5 mi |
| 49601 | Cadillac, MI | 9 mi |
| 49656 | Luther, MI | 13.5 mi |
| 49618 | Boon, MI | 14.6 mi |
| 49657 | Mcbain, MI | 14.7 mi |
| 49665 | Marion, MI | 15.6 mi |
| 49677 | Reed City, MI | 16.3 mi |
| 49631 | Evart, MI | 16.8 mi |
| 49638 | Harrietta, MI | 18.9 mi |
| 49623 | Chase, MI | 19.1 mi |
| 49639 | Hersey, MI | 19.1 mi |
| 49663 | Manton, MI | 21.1 mi |
Questions about 49688
What is the ZIP+4 code for 49688?
49688 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 49688, you need to look up a specific street address to get them.
What city is 49688?
49688 is assigned to Tustin, Michigan, in Osceola 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.