Mukilteo WA ZIP Code
Mukilteo city is located in Washington State, Snohomish County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mukilteo WA zip code by its streets and block numbers if we have some of the Mukilteo streets loaded in our website
Mukilteo Area Code is 425 and Time Zone is Pacific (GMT -08:00).
Mukilteo Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mukilteo City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mukilteo ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mukilteo, Washington.
The Mukilteo Zip Code is 98275.
If you want to send a mail to Mukilteo City, you should use the 98275 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mukilteo 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 98275 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mukilteo 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.