ZIP Code 55607 — Isabella, MN
55607 is a standard (street delivery) ZIP code serving Isabella, Minnesota, in Lake 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 55607 at a glance
| ZIP code | 55607 |
|---|---|
| Primary city | Isabella |
| State | Minnesota (MN) |
| County | Lake FIPS 27075 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 192 |
| Coordinates | 47.633630, -91.511060 |
How ZIP+4 works in 55607
The four digits after the hyphen encode a delivery segment inside 55607. 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 55607 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 55607.
| ZIP | City | Distance |
|---|---|---|
| 55603 | Finland, MN | 16 mi |
| 55614 | Silver Bay, MN | 19.3 mi |
| 55706 | Babbitt, MN | 20.7 mi |
| 55750 | Hoyt Lakes, MN | 23.6 mi |
| 55796 | Winton, MN | 24.3 mi |
| 55613 | Schroeder, MN | 25.4 mi |
| 55731 | Ely, MN | 26.9 mi |
| 55616 | Two Harbors, MN | 27.4 mi |
| 55602 | Brimson, MN | 27.9 mi |
| 55601 | Beaver Bay, MN | 28.4 mi |
Questions about 55607
What is the ZIP+4 code for 55607?
55607 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 55607, you need to look up a specific street address to get them.
What city is 55607?
55607 is assigned to Isabella, Minnesota, in Lake 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.