Dauphin Island AL ZIP Code
Dauphin Island city is located in Alabama State, Mobile County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dauphin Island AL zip code by its streets and block numbers if we have some of the Dauphin Island streets loaded in our website
Dauphin Island Area Code is 251 and Time Zone is Central (GMT -06:00).
Dauphin Island Zip Code - Alabama
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dauphin Island City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dauphin Island ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dauphin Island, Alabama.
The Dauphin Island Zip Code is 36528.
If you want to send a mail to Dauphin Island City, you should use the 36528 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dauphin Island 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 36528 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dauphin Island 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 Alabama.