Walnut IA ZIP Code

Walnut city is located in Iowa State, Pottawattamie County and has a unique zip code assigned by the US Postal Service Office.

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

Walnut Area Code is 712 and Time Zone is Central (GMT -06:00).

Walnut Zip Code - Iowa

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

The Walnut Zip Code is 51577.

If you want to send a mail to Walnut City, you should use the 51577 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Walnut 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 51577 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Walnut 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 Iowa.

Walnut, Iowa - MAP

What is the Walnut Zip Code?

The Walnut Zip Code in Iowa is 51577.

ZIP Plus 4 Walnut - US Streets Zip Codes

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What is the zip code for Walnut IA?


Walnut, Iowa - US Zip Code

Walnut ZIP Code Lookup

51577 Zip Code File:
Zip Code: 51577,
City: Walnut
Walnut Area Code: 712
Walnut, IA - Time Zone: Central (GMT -06:00)
County: Pottawattamie
City Alias: Walnut
State: Iowa
State Abb: IA

Iowa Zip+4 - Nearby Walnut Cities

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