ZIP CODE 21664
Secretary, MD
All Zip Codes For Secretary
| Zipcode | Population | Housing Units | Latitude | Longitude | Land Area (sq mi) | Water Area (sq mi) |
| 21664 | 503 | 218 | 38.609886 | -75.949006 | 0.258731 | - |
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April 19, 2024 |
| Zipcode | Population | Housing Units | Latitude | Longitude | Land Area (sq mi) | Water Area (sq mi) |
| 21664 | 503 | 218 | 38.609886 | -75.949006 | 0.258731 | - |