Dorchester IA ZIP Code

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

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

Dorchester Area Code is 563 and Time Zone is Central (GMT -06:00).

Dorchester Zip Code - Iowa

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

The Dorchester Zip Code is 52140.

If you want to send a mail to Dorchester City, you should use the 52140 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Dorchester 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 52140 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dorchester 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.

Dorchester, Iowa - MAP

What is the Dorchester Zip Code?

The Dorchester Zip Code in Iowa is 52140.

ZIP Plus 4 Dorchester - US Streets Zip Codes

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What is the zip code for Dorchester IA?


Dorchester, Iowa - US Zip Code

Dorchester ZIP Code Lookup

52140 Zip Code File:
Zip Code: 52140,
City: Dorchester
Dorchester Area Code: 563
Dorchester, IA - Time Zone: Central (GMT -06:00)
County: Allamakee
City Alias: Dorchester
State: Iowa
State Abb: IA

Iowa Zip+4 - Nearby Dorchester Cities

Cities near Dorchester in Iowa
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