Royal Oak MD ZIP Code
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Royal Oak city is located in Maryland State, Talbot County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Royal Oak MD zip code by its streets and block numbers if we have some of the Royal Oak streets loaded in our website
Royal Oak Area Code is 410 and Time Zone is Eastern (GMT -05:00).
Royal Oak Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Royal Oak City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Royal Oak ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Royal Oak, Maryland.
The Royal Oak Zip Code is 21662.
If you want to send a mail to Royal Oak City, you should use the 21662 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Royal Oak 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 21662 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Royal Oak 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.