Koyuk AK ZIP Code
Koyuk city is located in Alaska State, Nome County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Koyuk AK zip code by its streets and block numbers if we have some of the Koyuk streets loaded in our website
Koyuk Area Code is 907 and Time Zone is Alaska (GMT -09:00).
Koyuk Zip Code - Alaska
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Koyuk City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Koyuk ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Koyuk, Alaska.
The Koyuk Zip Code is 99753.
If you want to send a mail to Koyuk City, you should use the 99753 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Koyuk 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 99753 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Koyuk 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.