ZIP Code 49455 — Shelby, MI
49455 is a standard (street delivery) ZIP code serving Shelby, Michigan, in Oceana 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 49455 at a glance
| ZIP code | 49455 |
|---|---|
| Primary city | Shelby |
| State | Michigan (MI) |
| County | Oceana FIPS 26127 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 5,429 |
| Coordinates | 43.609760, -86.367230 |
How ZIP+4 works in 49455
The four digits after the hyphen encode a delivery segment inside 49455. 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 49455 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 49455.
| ZIP | City | Distance |
|---|---|---|
| 49446 | New Era, MI | 4.1 mi |
| 49436 | Mears, MI | 6.8 mi |
| 49452 | Rothbury, MI | 8.7 mi |
| 49420 | Hart, MI | 8.7 mi |
| 49437 | Montague, MI | 10.4 mi |
| 49449 | Pentwater, MI | 13.1 mi |
| 49421 | Hesperia, MI | 15 mi |
| 49459 | Walkerville, MI | 15.6 mi |
| 49461 | Whitehall, MI | 15.9 mi |
| 49425 | Holton, MI | 17.8 mi |
| 49457 | Twin Lake, MI | 21 mi |
| 49445 | Muskegon, MI | 22.1 mi |
Questions about 49455
What is the ZIP+4 code for 49455?
49455 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 49455, you need to look up a specific street address to get them.
What city is 49455?
49455 is assigned to Shelby, Michigan, in Oceana 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.