Waialua HI ZIP Code
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Waialua city is located in Hawaii State, Honolulu County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Waialua HI zip code by its streets and block numbers if we have some of the Waialua streets loaded in our website
Waialua Area Code is 808 and Time Zone is Hawaii-Aleutian Islands (GMT -10:00).
Waialua Zip Code - Hawaii
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Waialua City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Waialua ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Waialua, Hawaii.
The Waialua Zip Code is 96791.
If you want to send a mail to Waialua City, you should use the 96791 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Waialua 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 96791 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Waialua 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 Hawaii.