Flintstone MD ZIP Code
Flintstone city is located in Maryland State, Allegany County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Flintstone MD zip code by its streets and block numbers if we have some of the Flintstone streets loaded in our website
Flintstone Area Code is 301 and Time Zone is Eastern (GMT -05:00).
Flintstone Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Flintstone City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Flintstone ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Flintstone, Maryland.
The Flintstone Zip Code is 21530.
If you want to send a mail to Flintstone City, you should use the 21530 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Flintstone 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 21530 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Flintstone 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.