Hahnville LA ZIP Code
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Hahnville city is located in Louisiana State, Saint Charles County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Hahnville LA zip code by its streets and block numbers if we have some of the Hahnville streets loaded in our website
Hahnville Area Code is 985 and Time Zone is Central (GMT -06:00).
Hahnville Zip Code - Louisiana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Hahnville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Hahnville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Hahnville, Louisiana.
The Hahnville Zip Code is 70057.
If you want to send a mail to Hahnville City, you should use the 70057 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Hahnville 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 70057 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Hahnville 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 Louisiana.