Hillsboro MD ZIP Code
Last added ZIP code areas:randolph center vt zip code wilmington zip code ca dickinson texas zip smithfield va zip waleska ga zip ambler pa zipcode 1295 nw 14th street olney il zip terry zip code zip code for sachse tx rush springs ok zip code port jervis nj zip code belmont michigan zip code park rapids mn 9 digit zip code 78621 zip zipcode wilmington ma las colinas zip codes lansford pa zip code columbia nc zip code de anza zip code
Hillsboro 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 Hillsboro MD zip code by its streets and block numbers if we have some of the Hillsboro streets loaded in our website
Hillsboro Area Code is 410 and Time Zone is Eastern (GMT -05:00).
Hillsboro Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Hillsboro City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Hillsboro ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Hillsboro, Maryland.
The Hillsboro Zip Code is 21641.
If you want to send a mail to Hillsboro City, you should use the 21641 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Hillsboro 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 21641 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Hillsboro 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.