ZIP Code 49057 — Hartford, MI
49057 is a standard (street delivery) ZIP code serving Hartford, 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 49057 at a glance
| ZIP code | 49057 |
|---|---|
| Primary city | Hartford |
| State | Michigan (MI) |
| County | Van Buren FIPS 26159 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 6,434 |
| Coordinates | 42.186470, -86.166910 |
How ZIP+4 works in 49057
The four digits after the hyphen encode a delivery segment inside 49057. 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 49057 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 49057.
| ZIP | City | Distance |
|---|---|---|
| 49098 | Watervliet, MI | 4.1 mi |
| 49064 | Lawrence, MI | 6.4 mi |
| 49038 | Coloma, MI | 8.2 mi |
| 49043 | Covert, MI | 8.6 mi |
| 49013 | Bangor, MI | 8.7 mi |
| 49045 | Decatur, MI | 10.2 mi |
| 49084 | Riverside, MI | 11.2 mi |
| 49022 | Benton Harbor, MI | 11.4 mi |
| 49027 | Breedsville, MI | 12.2 mi |
| 49111 | Eau Claire, MI | 12.7 mi |
| 49047 | Dowagiac, MI | 12.8 mi |
| 49079 | Paw Paw, MI | 13.7 mi |
Questions about 49057
What is the ZIP+4 code for 49057?
49057 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 49057, you need to look up a specific street address to get them.
What city is 49057?
49057 is assigned to Hartford, 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.