ZIP Code 49242 — Hillsdale, MI
49242 is a standard (street delivery) ZIP code serving Hillsdale, Michigan, in Hillsdale 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 49242 at a glance
| ZIP code | 49242 |
|---|---|
| Primary city | Hillsdale |
| State | Michigan (MI) |
| County | Hillsdale FIPS 26059 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 14,750 |
| Coordinates | 41.884340, -84.615810 |
How ZIP+4 works in 49242
The four digits after the hyphen encode a delivery segment inside 49242. 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 49242 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 49242.
| ZIP | City | Distance |
|---|---|---|
| 49266 | Osseo, MI | 4.6 mi |
| 49274 | Reading, MI | 8.3 mi |
| 49271 | Pittsford, MI | 8.9 mi |
| 49227 | Allen, MI | 9.1 mi |
| 49250 | Jonesville, MI | 9.3 mi |
| 49262 | North Adams, MI | 9.3 mi |
| 49232 | Camden, MI | 10.3 mi |
| 49258 | Mosherville, MI | 12.3 mi |
| 49249 | Jerome, MI | 12.6 mi |
| 49252 | Litchfield, MI | 13.2 mi |
| 49082 | Quincy, MI | 14 mi |
| 49288 | Waldron, MI | 14 mi |
Questions about 49242
What is the ZIP+4 code for 49242?
49242 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 49242, you need to look up a specific street address to get them.
What city is 49242?
49242 is assigned to Hillsdale, Michigan, in Hillsdale 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.