Lockport LA ZIP Code
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Lockport city is located in Louisiana State, Lafourche County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Lockport LA zip code by its streets and block numbers if we have some of the Lockport streets loaded in our website
Lockport Area Code is 985 and Time Zone is Central (GMT -06:00).
Lockport Zip Code - Louisiana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Lockport City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Lockport ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Lockport, Louisiana.
The Lockport Zip Code is 70374.
If you want to send a mail to Lockport City, you should use the 70374 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Lockport 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 70374 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Lockport 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.