zip4lookup

ZIP Code 56686 — Williams, MN

56686 is a standard (street delivery) ZIP code serving Williams, Minnesota, in Lake of the Woods 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.

Free. No account needed.

ZIP code 56686 at a glance

ZIP code56686
Primary cityWilliams
StateMinnesota (MN)
CountyLake of the Woods FIPS 27077
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population905
Coordinates48.785950, -94.910010

How ZIP+4 works in 56686

The four digits after the hyphen encode a delivery segment inside 56686. In practice one segment usually means:

That is why 56686 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 56686.

ZIPCityDistance
56673 Roosevelt, MN 10.8 mi
56763 Warroad, MN 19.7 mi
56623 Baudette, MN 20.2 mi
56711 Angle Inlet, MN 21.8 mi
56727 Grygla, MN 37.2 mi

Questions about 56686

What is the ZIP+4 code for 56686?

56686 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 56686, you need to look up a specific street address to get them.

What city is 56686?

56686 is assigned to Williams, Minnesota, in Lake of the Woods 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.

Bulk lookup API docs