Humboldt IA ZIP Code

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

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

Humboldt Area Code is 515 and Time Zone is Central (GMT -06:00).

Humboldt Zip Code - Iowa

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

The Humboldt Zip Code is 50548.

If you want to send a mail to Humboldt City, you should use the 50548 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Humboldt 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 50548 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Humboldt 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.

Humboldt, Iowa - MAP

What is the Humboldt Zip Code?

The Humboldt Zip Code in Iowa is 50548.

ZIP Plus 4 Humboldt - US Streets Zip Codes

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Humboldt, Iowa - US Zip Code

Humboldt ZIP Code Lookup

50548 Zip Code File:
Zip Code: 50548,
City: Humboldt
Humboldt Area Code: 515
Humboldt, IA - Time Zone: Central (GMT -06:00)
County: Humboldt
City Alias: Humboldt
State: Iowa
State Abb: IA

Iowa Zip+4 - Nearby Humboldt Cities

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