Whatcom County post codes
Codes
18About Whatcom County
Whatcom County is in Washington (WA), United States. It covers 13 places and 18 post codes in the 5 digits format.
This page contains 18 post code records. Every post code on this page maps to a single place.
Nearby counties include San Juan County, Skagit County, Island County. Other counties in Washington (WA) include Adams County, Asotin County, Benton County.
Addresses in Whatcom County usually include the place, county, state, post code, and country; confirm the local order before mailing.
At a glance
Address example
Postal formats vary by country; these are the address elements.
Shared post codes
Every post code on this page maps to a single place.
Location
FAQ
How many places are in Whatcom County?
13
How many post codes are in Whatcom County?
18
Which state is Whatcom County in?
Washington (WA)
What is the post code format?
5 digits