ZIP Code 49879 — Republic, MI
49879 is a standard (street delivery) ZIP code serving Republic, Michigan, in Marquette 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 49879 at a glance
| ZIP code | 49879 |
|---|---|
| Primary city | Republic |
| State | Michigan (MI) |
| County | Marquette FIPS 26103 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 1,057 |
| Coordinates | 46.343700, -88.084320 |
How ZIP+4 works in 49879
The four digits after the hyphen encode a delivery segment inside 49879. 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 49879 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 49879.
| ZIP | City | Distance |
|---|---|---|
| 49815 | Channing, MI | 12.5 mi |
| 49814 | Champion, MI | 15.4 mi |
| 49849 | Ishpeming, MI | 16 mi |
| 49861 | Michigamme, MI | 16.5 mi |
| 49920 | Crystal Falls, MI | 17.4 mi |
| 49881 | Sagola, MI | 18.5 mi |
| 49903 | Amasa, MI | 19.1 mi |
| 49919 | Covington, MI | 20.3 mi |
| 49877 | Ralph, MI | 20.8 mi |
| 49866 | Negaunee, MI | 24.6 mi |
| 49902 | Alpha, MI | 24.7 mi |
| 49831 | Felch, MI | 25.8 mi |
Questions about 49879
What is the ZIP+4 code for 49879?
49879 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 49879, you need to look up a specific street address to get them.
What city is 49879?
49879 is assigned to Republic, Michigan, in Marquette 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.