Hoquiam WA ZIP Code
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Hoquiam city is located in Washington State, Grays Harbor County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Hoquiam WA zip code by its streets and block numbers if we have some of the Hoquiam streets loaded in our website
Hoquiam Area Code is 360 and Time Zone is Pacific (GMT -08:00).
Hoquiam Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Hoquiam City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Hoquiam ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Hoquiam, Washington.
The Hoquiam Zip Code is 98550.
If you want to send a mail to Hoquiam City, you should use the 98550 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Hoquiam 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 98550 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Hoquiam 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 Washington.