Thornburg IA ZIP Code

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

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

Thornburg Area Code is 319 and Time Zone is Central (GMT -06:00).

Thornburg Zip Code - Iowa

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

If you want to send a mail to Thornburg City, you should use the 50255 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Thornburg 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 50255 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Thornburg 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.

Thornburg, Iowa - MAP

ZIP Plus 4 Thornburg - US Streets Zip Codes

By pressing keys ctrol + F you can search Thornburg zip codes by its streets, highways, and know the ZIP+4 US ZIP Code

Thornburg ZIP Code Lookup

50255 Zip Code Information:
Zip Code: 50255,
City: Thornburg
Thornburg Area Code: 319
Thornburg, IA - Time Zone: Central (GMT -06:00)
County: Keokuk
City Alias: Thornburg
State: Iowa
State Abb: IA

Iowa Zip+4 - Nearby Thornburg Cities

Cities near Thornburg in Iowa
(straight line)

View more Iowa zip codes