Rock Hall MD ZIP Code

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Rock Hall city is located in Maryland State, Kent County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Rock Hall MD zip code by its streets and block numbers if we have some of the Rock Hall streets loaded in our website

Rock Hall Area Code is 410 and Time Zone is Eastern (GMT -05:00).

Rock Hall Zip Code - Maryland

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Rock Hall City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Rock Hall ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Rock Hall, Maryland.

The Rock Hall Zip Code is 21661.

If you want to send a mail to Rock Hall City, you should use the 21661 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Rock Hall 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 21661 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Rock Hall 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.

Rock Hall, Maryland - MAP

What is the Rock Hall Zip Code?

The Rock Hall Zip Code in Maryland is 21661.

ZIP Plus 4 Rock Hall - US Streets Zip Codes

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What is the zip code for Rock Hall MD?


Rock Hall, Maryland - US Zip Code

Rock Hall ZIP Code Lookup

21661 Zip Code File:
Zip Code: 21661,
City: Rock Hall
Rock Hall Area Code: 410
Rock Hall, MD - Time Zone: Eastern (GMT -05:00)
County: Kent
City Alias: Rock Hall
State: Maryland
State Abb: MD

Maryland Zip+4 - Nearby Rock Hall Cities

Cities near Rock Hall in Maryland
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