Willow Lake SD ZIP Code

Willow Lake city is located in South Dakota State, Clark County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Willow Lake SD zip code by its streets and block numbers if we have some of the Willow Lake streets loaded in our website

Willow Lake Area Code is 605 and Time Zone is Central (GMT -06:00).

Willow Lake Zip Code - South Dakota

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Willow Lake City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Willow Lake ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Willow Lake, South Dakota.

The Willow Lake Zip Code is 57278.

If you want to send a mail to Willow Lake City, you should use the 57278 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Willow Lake ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 57278 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Willow Lake city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in South Dakota.

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What is the Willow Lake Zip Code?

The Willow Lake Zip Code in South Dakota is 57278.

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Willow Lake, South Dakota - US Zip Code

Willow Lake ZIP Code Lookup

57278 Zip Code File:
Zip Code: 57278,
City: Willow Lake
Willow Lake Area Code: 605
Willow Lake, SD - Time Zone: Central (GMT -06:00)
County: Clark
City Alias: Willow Lake
State: South Dakota
State Abb: SD

South Dakota Zip+4 - Nearby Willow Lake Cities

Cities near Willow Lake in South Dakota
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