Hermiston OR ZIP Code

Hermiston city is located in Oregon State, Umatilla County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Hermiston OR zip code by its streets and block numbers if we have some of the Hermiston streets loaded in our website

Hermiston Area Code is 541 and Time Zone is Pacific (GMT -08:00).

Hermiston Zip Code - Oregon

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Hermiston City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Hermiston ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Hermiston, Oregon.

If you want to send a mail to Hermiston City, you should use the 97838 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Hermiston 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 97838 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Hermiston 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.


Hermiston, Oregon - MAP

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ZIP Plus 4 Hermiston - US Streets Zip Code

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Hermiston ZIP Code Lookup

97838 Zip Code Information:
Zip Code: 97838,
City: Hermiston
Hermiston Area Code: 541
Hermiston, OR - Time Zone: Pacific (GMT -08:00)
County: Umatilla
City Alias: Hermiston
State: Oregon
State Abb: OR

Oregon Zip+4 - Nearby Hermiston Cities


Cities near Hermiston in Oregon
(straight line)


View more Oregon zip codes