Barstow MD ZIP Code
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Barstow city is located in Maryland State, Calvert County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Barstow MD zip code by its streets and block numbers if we have some of the Barstow streets loaded in our website
Barstow Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).
Barstow Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Barstow City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Barstow ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Barstow, Maryland.
The Barstow Zip Code is 20610.
If you want to send a mail to Barstow City, you should use the 20610 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Barstow 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 20610 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Barstow 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.