Maryland Gazetteer
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.
| Columbia, MD - Standard ZIP Codes |
| 21044 21045 21046 |
| Columbia, MD - Unique - Single Entity ZIP Codes (NO DEMOGRAPHIC DATA) |
| 20588 |
