Spring Gap MD ZIP Code
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Spring Gap 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 Spring Gap MD zip code by its streets and block numbers if we have some of the Spring Gap streets loaded in our website
Spring Gap Area Code is 301/240 and Time Zone is Eastern (GMT -05:00).
Spring Gap Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Spring Gap City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Spring Gap ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Spring Gap, Maryland.
The Spring Gap Zip Code is 21560.
If you want to send a mail to Spring Gap City, you should use the 21560 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Spring Gap 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 21560 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Spring Gap 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.