98104 ZIP Code


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98104 is a zip code assigned by the US Postal Service Office for a US City.


You can search for the 98104 zip code by its streets and block numbers if we have some of the streets loaded in our website

You should use 98104 Zip Code if you want to send mail to a certain US City.



98104 Zip Code - US ZIP Codes

The US ZIP Code basic format consists of five decimal numerical digits assigned like the 98104 Zip Code. An extended ZIP+4 code, introduced in the 1980s, includes the five digits 98104 ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code.



98104 Zip Code belongs to Seattle, WA - US. 98104 Zip code is located at King County and is related to this cities: International, Pioneer Square, Seattle

98104 Zip Code Area Code is 206/425/360/253 and 98104 Zip Code Time Zone is Pacific (GMT -08:00).

In 1983, the U.S. Postal Service introduced an expanded Seattle 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 98104 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Seattle 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.


98104 Zip Code MAP



What city is 98104 Zip Code?

The 98104 Zip Code is assigned to Seattle City in Washington State.




ZIP Plus 4 Seattle - US Streets Zip Codes

Please check the Seattle page



Reverse 98104 Zip Code Lookup

98104 Zip Code City?

Seattle, WA

Seattle (King County), Washington - US

This Zip code is related to International, Pioneer Square, Seattle City



98104 ZIP Code Lookup

98104 Zip Code File:
Zip Code: 98104
City: Seattle
Seattle Area Code: 206/425/360/253
Seattle, WA - Time Zone: Pacific (GMT -08:00)
County: King
City Aliases: International, Pioneer Square, Seattle
State: Washington
State Abb: WA