ZIP Code 49090 — South Haven, MI
49090 is a standard (street delivery) ZIP code serving South Haven, Michigan, in Van Buren 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 49090 at a glance
| ZIP code | 49090 |
|---|---|
| Primary city | South Haven |
| State | Michigan (MI) |
| County | Van Buren FIPS 26159 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 13,250 |
| Coordinates | 42.408530, -86.216800 |
How ZIP+4 works in 49090
The four digits after the hyphen encode a delivery segment inside 49090. 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 49090 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 49090.
| ZIP | City | Distance |
|---|---|---|
| 49063 | Lacota, MI | 3.9 mi |
| 49056 | Grand Junction, MI | 8 mi |
| 49027 | Breedsville, MI | 8.6 mi |
| 49450 | Pullman, MI | 8.7 mi |
| 49043 | Covert, MI | 8.8 mi |
| 49013 | Bangor, MI | 9 mi |
| 49408 | Fennville, MI | 12.3 mi |
| 49026 | Bloomingdale, MI | 13.1 mi |
| 49038 | Coloma, MI | 15 mi |
| 49057 | Hartford, MI | 15.5 mi |
| 49064 | Lawrence, MI | 15.5 mi |
| 49406 | Douglas, MI | 16.1 mi |
Questions about 49090
What is the ZIP+4 code for 49090?
49090 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 49090, you need to look up a specific street address to get them.
What city is 49090?
49090 is assigned to South Haven, Michigan, in Van Buren 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.