Butler MD ZIP Code
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Butler city is located in Maryland State, Baltimore County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Butler MD zip code by its streets and block numbers if we have some of the Butler streets loaded in our website
Butler Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).
Butler Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Butler City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Butler ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Butler, Maryland.
The Butler Zip Code is 21023.
If you want to send a mail to Butler City, you should use the 21023 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Butler 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 21023 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Butler 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 Maryland.