Saint John IN ZIP Code

Saint John city is located in Indiana State, Lake County and has a unique zip code assigned by the US Postal Service Office.

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

Saint John Area Code is 219 and Time Zone is Central (GMT -06:00).

Saint John Zip Code - Indiana

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

The Saint John Zip Code is 46373.

If you want to send a mail to Saint John City, you should use the 46373 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Saint John 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 46373 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Saint John 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 Indiana.

Saint John, Indiana - MAP

What is the Saint John Zip Code?

The Saint John Zip Code in Indiana is 46373.

ZIP Plus 4 Saint John - US Streets Zip Codes

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Saint John, Indiana -

Saint John ZIP Code Lookup

46373 Zip Code File:
Zip Code: 46373,
City: Saint John
Saint John Area Code: 219
Saint John, IN - Time Zone: Central (GMT -06:00)
County: Lake
City Alias: St John, Dyer, Saint John
State: Indiana
State Abb: IN

Indiana Zip+4 - Nearby Saint John Cities

Cities near Saint John in Indiana
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