Potomac MD ZIP Code


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


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

Potomac Area Code is 301 and Time Zone is Eastern (GMT -05:00).



Potomac Zip Code - Maryland

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

The Potomac Zip Code is 20854, 20859.



If you want to send a mail to Potomac City, you should use the 20854, 20859 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Potomac 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 20854, 20859 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Potomac 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.


Potomac, Maryland - MAP



What is the Potomac Zip Code?

The Potomac Zip Code in Maryland is 20854, 20859.


ZIP Plus 4 Potomac - US Streets Zip Codes

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


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Search Potomac Zip Code

What is the zip code for Potomac MD?

20854, 20859

Potomac, Maryland - US Zip Code



Potomac ZIP Code Lookup

20854, 20859 Zip Code File:
Zip Code: 20854, 20859,
City: Potomac
Potomac Area Code: 301
Potomac, MD - Time Zone: Eastern (GMT -05:00)
County: Montgomery
City Alias: Rockville, Potomac, Potomac, Rockville
State: Maryland
State Abb: MD



Maryland Zip+4 - Nearby Potomac Cities

Cities near Potomac in Maryland
(straight line)


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