ZIP Code 49120 — Niles, MI
49120 is a standard (street delivery) ZIP code serving Niles, Michigan, in Berrien 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 49120 at a glance
| ZIP code | 49120 |
|---|---|
| Primary city | Niles |
| State | Michigan (MI) |
| County | Berrien FIPS 26021 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 36,495 |
| Coordinates | 41.831480, -86.231620 |
How ZIP+4 works in 49120
The four digits after the hyphen encode a delivery segment inside 49120. 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 49120 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 49120.
| ZIP | City | Distance |
|---|---|---|
| 46637 | South Bend, IN | 6.8 mi |
| 46635 | South Bend, IN | 8.1 mi |
| 46530 | Granger, IN | 8.3 mi |
| 49102 | Berrien Center, MI | 8.4 mi |
| 46556 | Notre Dame, IN | 9 mi |
| 46624 | South Bend, IN | 9 mi |
| 46628 | South Bend, IN | 9.3 mi |
| 49107 | Buchanan, MI | 9.4 mi |
| 46616 | South Bend, IN | 9.5 mi |
| 46617 | South Bend, IN | 10.2 mi |
| 49112 | Edwardsburg, MI | 10.4 mi |
| 46545 | Mishawaka, IN | 10.5 mi |
Questions about 49120
What is the ZIP+4 code for 49120?
49120 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 49120, you need to look up a specific street address to get them.
What city is 49120?
49120 is assigned to Niles, Michigan, in Berrien 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.