ZIP Code 48813 — Charlotte, MI
48813 is a standard (street delivery) ZIP code serving Charlotte, Michigan, in Eaton 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 48813 at a glance
| ZIP code | 48813 |
|---|---|
| Primary city | Charlotte |
| State | Michigan (MI) |
| County | Eaton FIPS 26045 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 20,564 |
| Coordinates | 42.578620, -84.845240 |
How ZIP+4 works in 48813
The four digits after the hyphen encode a delivery segment inside 48813. 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 48813 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 48813.
| ZIP | City | Distance |
|---|---|---|
| 48876 | Potterville, MI | 7.3 mi |
| 49096 | Vermontville, MI | 9.5 mi |
| 49076 | Olivet, MI | 10.4 mi |
| 48827 | Eaton Rapids, MI | 10.6 mi |
| 48821 | Dimondale, MI | 10.8 mi |
| 48861 | Mulliken, MI | 11.1 mi |
| 48837 | Grand Ledge, MI | 12.2 mi |
| 49073 | Nashville, MI | 13.8 mi |
| 49021 | Bellevue, MI | 13.9 mi |
| 48917 | Lansing, MI | 14.6 mi |
| 48890 | Sunfield, MI | 14.6 mi |
| 48911 | Lansing, MI | 15.3 mi |
Questions about 48813
What is the ZIP+4 code for 48813?
48813 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 48813, you need to look up a specific street address to get them.
What city is 48813?
48813 is assigned to Charlotte, Michigan, in Eaton 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.