ZIP Code 55909 — Adams, MN
55909 is a standard (street delivery) ZIP code serving Adams, Minnesota, in Mower 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 55909 at a glance
| ZIP code | 55909 |
|---|---|
| Primary city | Adams |
| State | Minnesota (MN) |
| County | Mower FIPS 27099 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,387 |
| Coordinates | 43.563120, -92.734610 |
How ZIP+4 works in 55909
The four digits after the hyphen encode a delivery segment inside 55909. 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 55909 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 55909.
| ZIP | City | Distance |
|---|---|---|
| 55977 | Taopi, MN | 4.4 mi |
| 55970 | Rose Creek, MN | 5.4 mi |
| 55933 | Elkton, MN | 6.4 mi |
| 50476 | Stacyville, IA | 7.8 mi |
| 50455 | Mcintire, IA | 8.5 mi |
| 55953 | Lyle, MN | 11.8 mi |
| 50454 | Little Cedar, IA | 12.3 mi |
| 55926 | Dexter, MN | 12.5 mi |
| 55936 | Grand Meadow, MN | 12.6 mi |
| 55951 | Le Roy, MN | 12.7 mi |
| 55961 | Ostrander, MN | 13.3 mi |
| 55918 | Brownsdale, MN | 13.6 mi |
Questions about 55909
What is the ZIP+4 code for 55909?
55909 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 55909, you need to look up a specific street address to get them.
What city is 55909?
55909 is assigned to Adams, Minnesota, in Mower 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.