Maryland Gazetteer
Ellicott City is the actual or alternate city name associated with 3 ZIP Codes by the US Postal Service.
Select a particular Ellicott City 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 Ellicott City ZIP Code profile also includes Demographic Data including Population, Housing, Income, Households, and Growth Rates.
| Ellicott City, MD - Standard ZIP Codes |
| 21042 21043 |
| Ellicott City, MD - PO Box ZIP Codes (NO DEMOGRAPHIC DATA) |
| 21041 |
