ZIP Code 49820 — Curtis, MI
49820 is a standard (street delivery) ZIP code serving Curtis, Michigan, in Mackinac 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 49820 at a glance
| ZIP code | 49820 |
|---|---|
| Primary city | Curtis |
| State | Michigan (MI) |
| County | Mackinac FIPS 26097 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 191 |
| Coordinates | 46.189650, -85.679510 |
How ZIP+4 works in 49820
The four digits after the hyphen encode a delivery segment inside 49820. 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 49820 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 49820.
| ZIP | City | Distance |
|---|---|---|
| 49827 | Engadine, MI | 6.9 mi |
| 49838 | Gould City, MI | 9.3 mi |
| 49836 | Germfask, MI | 9.9 mi |
| 49853 | Mcmillan, MI | 12.2 mi |
| 49840 | Gulliver, MI | 18.5 mi |
| 49762 | Naubinway, MI | 21.3 mi |
| 49868 | Newberry, MI | 22.5 mi |
| 49883 | Seney, MI | 23.6 mi |
| 49748 | Hulbert, MI | 27.1 mi |
| 49839 | Grand Marais, MI | 35.1 mi |
| 49768 | Paradise, MI | 40.1 mi |
Questions about 49820
What is the ZIP+4 code for 49820?
49820 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 49820, you need to look up a specific street address to get them.
What city is 49820?
49820 is assigned to Curtis, Michigan, in Mackinac 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.