Henderson MD ZIP Code

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

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

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

Henderson Zip Code - Maryland

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

If you want to send a mail to Henderson City, you should use the 21640 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Henderson 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 21640 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Henderson 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.

Henderson, Maryland - MAP

ZIP Plus 4 Henderson - US Streets Zip Codes

By pressing keys ctrol + F you can search Henderson zip codes by its streets, highways, and know the ZIP+4 US ZIP Code

Henderson ZIP Code Lookup

21640 Zip Code Information:
Zip Code: 21640,
City: Henderson
Henderson Area Code: 410
Henderson, MD - Time Zone: Eastern (GMT -05:00)
County: Caroline
City Alias: Henderson
State: Maryland
State Abb: MD

Maryland Zip+4 - Nearby Henderson Cities

Cities near Henderson in Maryland
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