Columbia MD ZIP Code


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


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

Columbia Area Code is 443/410/240/301/667 and Time Zone is Eastern (GMT -05:00).



Columbia Zip Code - Maryland

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

The Columbia Zip Code is 21044, 21045, 21046.



If you want to send a mail to Columbia City, you should use the 21044, 21045, 21046 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Columbia 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 21044, 21045, 21046 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Columbia 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.


Columbia, Maryland - MAP



What is the Columbia Zip Code?

The Columbia Zip Code in Maryland is 21044, 21045, 21046.


ZIP Plus 4 Columbia - US Streets Zip Codes

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


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Search Columbia Zip Code

What is the zip code for Columbia MD?

21044, 21045, 21046

Columbia, Maryland - US Zip Code



Columbia ZIP Code Lookup

21044, 21045, 21046 Zip Code File:
Zip Code: 21044, 21045, 21046,
City: Columbia
Columbia Area Code: 443/410/240/301/667
Columbia, MD - Time Zone: Eastern (GMT -05:00)
County: Howard
City Alias: Columbia, Columbia, Columbia
State: Maryland
State Abb: MD



Maryland Zip+4 - Nearby Columbia Cities

Cities near Columbia in Maryland
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