ZIP Code 49220 — Addison, MI
49220 is a standard (street delivery) ZIP code serving Addison, Michigan, in Lenawee 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 49220 at a glance
| ZIP code | 49220 |
|---|---|
| Primary city | Addison |
| State | Michigan (MI) |
| County | Lenawee FIPS 26091 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 2,439 |
| Coordinates | 41.995110, -84.341080 |
How ZIP+4 works in 49220
The four digits after the hyphen encode a delivery segment inside 49220. 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 49220 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 49220.
| ZIP | City | Distance |
|---|---|---|
| 49253 | Manitou Beach, MI | 4.2 mi |
| 49282 | Somerset Center, MI | 4.3 mi |
| 49233 | Cement City, MI | 4.9 mi |
| 49249 | Jerome, MI | 6.2 mi |
| 49262 | North Adams, MI | 6.9 mi |
| 49265 | Onsted, MI | 8.6 mi |
| 49234 | Clarklake, MI | 8.8 mi |
| 49230 | Brooklyn, MI | 9.3 mi |
| 49247 | Hudson, MI | 10.2 mi |
| 49235 | Clayton, MI | 11.2 mi |
| 49246 | Horton, MI | 12.1 mi |
| 49271 | Pittsford, MI | 12.3 mi |
Questions about 49220
What is the ZIP+4 code for 49220?
49220 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 49220, you need to look up a specific street address to get them.
What city is 49220?
49220 is assigned to Addison, Michigan, in Lenawee 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.