ZIP Code 48743 — Long Lake, MI
48743 is a standard (street delivery) ZIP code serving Long Lake, Michigan, in Iosco 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 48743 at a glance
| ZIP code | 48743 |
|---|---|
| Primary city | Long Lake |
| State | Michigan (MI) |
| County | Iosco FIPS 26069 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 30 |
| Coordinates | 44.440250, -83.870660 |
How ZIP+4 works in 48743
The four digits after the hyphen encode a delivery segment inside 48743. 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 48743 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 48743.
| ZIP | City | Distance |
|---|---|---|
| 48739 | Hale, MI | 4.8 mi |
| 48761 | South Branch, MI | 5.1 mi |
| 48635 | Lupton, MI | 6.9 mi |
| 48737 | Glennie, MI | 10.8 mi |
| 48654 | Rose City, MI | 12.6 mi |
| 48770 | Whittemore, MI | 13.4 mi |
| 48748 | National City, MI | 13.5 mi |
| 48756 | Prescott, MI | 15.3 mi |
| 48647 | Mio, MI | 18 mi |
| 48763 | Tawas City, MI | 18.2 mi |
| 48730 | East Tawas, MI | 19.8 mi |
| 48661 | West Branch, MI | 19.8 mi |
Questions about 48743
What is the ZIP+4 code for 48743?
48743 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 48743, you need to look up a specific street address to get them.
What city is 48743?
48743 is assigned to Long Lake, Michigan, in Iosco 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.