Coos Bay OR ZIP Code
Coos Bay city is located in Oregon State, Coos County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Coos Bay OR zip code by its streets and block numbers if we have some of the Coos Bay streets loaded in our website
Coos Bay Area Code is 541 and Time Zone is Pacific (GMT -08:00).
Coos Bay Zip Code - Oregon
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Coos Bay City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Coos Bay ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Coos Bay, Oregon.
The Coos Bay Zip Code is 97420.
If you want to send a mail to Coos Bay City, you should use the 97420 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Coos Bay 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 97420 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Coos Bay 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 Oregon.