Cantwell city is located in Alaska State, Denali County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Cantwell AK zip code by its streets and block numbers if we have some of the Cantwell streets loaded in our website
Cantwell Area Code is 907 and Time Zone is Alaska (GMT -09:00).
Cantwell Zip Code - Alaska
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Cantwell City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Cantwell ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Cantwell, Alaska.
If you want to send a mail to Cantwell City, you should use the 99729 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Cantwell 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 99729 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Cantwell 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 Alaska.