ZIP Code 55787 — Tamarack, MN
55787 is a standard (street delivery) ZIP code serving Tamarack, Minnesota, in Aitkin 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 55787 at a glance
| ZIP code | 55787 |
|---|---|
| Primary city | Tamarack |
| State | Minnesota (MN) |
| County | Aitkin FIPS 27001 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 621 |
| Coordinates | 46.737070, -93.117560 |
How ZIP+4 works in 55787
The four digits after the hyphen encode a delivery segment inside 55787. 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 55787 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 55787.
| ZIP | City | Distance |
|---|---|---|
| 55798 | Wright, MN | 6.6 mi |
| 55760 | Mcgregor, MN | 10.6 mi |
| 55726 | Cromwell, MN | 14.3 mi |
| 55752 | Jacobson, MN | 16.3 mi |
| 55757 | Kettle River, MN | 17.5 mi |
| 55736 | Floodwood, MN | 18.9 mi |
| 56469 | Palisade, MN | 20.5 mi |
| 55780 | Sawyer, MN | 21 mi |
| 55711 | Brookston, MN | 21.2 mi |
| 55784 | Swan River, MN | 22.1 mi |
| 55783 | Sturgeon Lake, MN | 24.4 mi |
| 55707 | Barnum, MN | 25.7 mi |
Questions about 55787
What is the ZIP+4 code for 55787?
55787 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 55787, you need to look up a specific street address to get them.
What city is 55787?
55787 is assigned to Tamarack, Minnesota, in Aitkin 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.