Columbia is the actual or alternate city name associated with 4 ZIP Codes by the US Postal Service.
Select a particular Columbia ZIP Code to view a more detailed map and the number of Business, Residential, and PO Box addresses for that ZIP Code. The Residential addresses are segmented by both Single and Multi-family addessses.
Each individual Columbia ZIP Code profile also includes Demographic Data including Population, Housing, Income, Households, and Growth Rates.Photos of the local Columbia, MD area
|Columbia, MD - Standard ZIP Codes|
|21044 21045 21046|
|Columbia, MD - Unique - Single Entity ZIP Codes (NO DEMOGRAPHIC DATA)|
The Columbia ZIP Code maps and basic ZIP Code information such as the number of Business, Residential and PO Box addresses in the ZIP Code are updated 4 times per year. Last update: May 1, 2017.
The DEMOGRAPHIC DATA for each Columbia ZIP Code is updated annually. The last update was on July 1, 2016 and includes: