Chalkyitsik AK ZIP Code
Chalkyitsik city is located in Alaska State, Yukon Koyukuk County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Chalkyitsik AK zip code by its streets and block numbers if we have some of the Chalkyitsik streets loaded in our website
Chalkyitsik Area Code is 907 and Time Zone is Alaska (GMT -09:00).
Chalkyitsik Zip Code - Alaska
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Chalkyitsik City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Chalkyitsik ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Chalkyitsik, Alaska.
The Chalkyitsik Zip Code is 99788.
If you want to send a mail to Chalkyitsik City, you should use the 99788 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Chalkyitsik 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 99788 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Chalkyitsik 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.