Essex MD ZIP Code
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Essex 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 Essex MD zip code by its streets and block numbers if we have some of the Essex streets loaded in our website
Essex Area Code is 410/443 and Time Zone is Eastern (GMT -05:00).
Essex Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Essex City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Essex ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Essex, Maryland.
The Essex Zip Code is 21221.
If you want to send a mail to Essex City, you should use the 21221 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Essex 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 21221 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Essex 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.