ZIP Code 49042 — Constantine, MI
49042 is a standard (street delivery) ZIP code serving Constantine, 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 49042 at a glance
| ZIP code | 49042 |
|---|---|
| Primary city | Constantine |
| State | Michigan (MI) |
| County | St. Joseph FIPS 26149 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 4,564 |
| Coordinates | 41.856650, -85.671420 |
How ZIP+4 works in 49042
The four digits after the hyphen encode a delivery segment inside 49042. 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 49042 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 49042.
| ZIP | City | Distance |
|---|---|---|
| 49099 | White Pigeon, MI | 4.5 mi |
| 49061 | Jones, MI | 8.1 mi |
| 49093 | Three Rivers, MI | 8.2 mi |
| 49032 | Centreville, MI | 9.4 mi |
| 49130 | Union, MI | 11 mi |
| 49095 | Vandalia, MI | 11.5 mi |
| 49091 | Sturgis, MI | 11.8 mi |
| 46507 | Bristol, IN | 11.9 mi |
| 49075 | Nottawa, MI | 12.2 mi |
| 46565 | Shipshewana, IN | 12.2 mi |
| 46540 | Middlebury, IN | 12.6 mi |
| 49067 | Marcellus, MI | 13.3 mi |
Questions about 49042
What is the ZIP+4 code for 49042?
49042 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 49042, you need to look up a specific street address to get them.
What city is 49042?
49042 is assigned to Constantine, 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.