Annapolis MD ZIP Code
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Annapolis city is located in Maryland State, Anne Arundel County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Annapolis MD zip code by its streets and block numbers if we have some of the Annapolis streets loaded in our website
Annapolis Area Code is 410/443 and Time Zone is Eastern (GMT -05:00).
Annapolis Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Annapolis City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Annapolis ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Annapolis, Maryland.
The Annapolis Zip Code is 21401, 21402, 21403, 21404, 21405, 21409, 21411, 21412.
If you want to send a mail to Annapolis City, you should use the 21401, 21402, 21403, 21404, 21405, 21409, 21411, 21412 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Annapolis 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 21401, 21402, 21403, 21404, 21405, 21409, 21411, 21412 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Annapolis 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.