ZIP Code 49040 — Colon, MI
49040 is a standard (street delivery) ZIP code serving Colon, Michigan, in St. Joseph 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 49040 at a glance
| ZIP code | 49040 |
|---|---|
| Primary city | Colon |
| State | Michigan (MI) |
| County | St. Joseph FIPS 26149 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 3,384 |
| Coordinates | 41.968470, -85.323980 |
How ZIP+4 works in 49040
The four digits after the hyphen encode a delivery segment inside 49040. 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 49040 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 49040.
| ZIP | City | Distance |
|---|---|---|
| 49066 | Leonidas, MI | 4.7 mi |
| 49089 | Sherwood, MI | 5.3 mi |
| 49075 | Nottawa, MI | 7.3 mi |
| 49072 | Mendon, MI | 7.5 mi |
| 49030 | Burr Oak, MI | 7.8 mi |
| 49052 | Fulton, MI | 10.1 mi |
| 49032 | Centreville, MI | 10.1 mi |
| 49011 | Athens, MI | 10.6 mi |
| 49028 | Bronson, MI | 11.2 mi |
| 49091 | Sturgis, MI | 11.7 mi |
| 49094 | Union City, MI | 11.9 mi |
| 49097 | Vicksburg, MI | 13.2 mi |
Questions about 49040
What is the ZIP+4 code for 49040?
49040 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 49040, you need to look up a specific street address to get them.
What city is 49040?
49040 is assigned to Colon, Michigan, in St. Joseph 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.