ZIP Code 48469 — Port Sanilac, MI
48469 is a standard (street delivery) ZIP code serving Port Sanilac, Michigan, in Sanilac 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 48469 at a glance
| ZIP code | 48469 |
|---|---|
| Primary city | Port Sanilac |
| State | Michigan (MI) |
| County | Sanilac FIPS 26151 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 1,388 |
| Coordinates | 43.439270, -82.558490 |
How ZIP+4 works in 48469
The four digits after the hyphen encode a delivery segment inside 48469. 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 48469 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 48469.
| ZIP | City | Distance |
|---|---|---|
| 48419 | Carsonville, MI | 5 mi |
| 48401 | Applegate, MI | 7.9 mi |
| 48427 | Deckerville, MI | 10.7 mi |
| 48450 | Lexington, MI | 12.9 mi |
| 48422 | Croswell, MI | 13 mi |
| 48465 | Palms, MI | 14.3 mi |
| 48471 | Sandusky, MI | 14.9 mi |
| 48434 | Forestville, MI | 15.5 mi |
| 48466 | Peck, MI | 17.1 mi |
| 48456 | Minden City, MI | 18.9 mi |
| 48472 | Snover, MI | 20.6 mi |
| 48410 | Argyle, MI | 20.9 mi |
Questions about 48469
What is the ZIP+4 code for 48469?
48469 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 48469, you need to look up a specific street address to get them.
What city is 48469?
48469 is assigned to Port Sanilac, Michigan, in Sanilac 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.