Washington County post codes
Codes
23About Washington County
Washington County is in Maryland (MD), United States. It covers 18 places and 23 post codes in the 5 digits format.
This page contains 23 post code records. Every post code on this page maps to a single place.
Nearby counties include Frederick County, Carroll County, Montgomery County. Other counties in Maryland (MD) include Allegany County, Anne Arundel County, Baltimore County.
Addresses in Washington 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 Washington County?
18
How many post codes are in Washington County?
23
Which state is Washington County in?
Maryland (MD)
What is the post code format?
5 digits