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Rockville, MD ZIP Code Maps
Rockville, MD ZIP Codes
- Cities in a ZIP Code may be referred to by more than one name or spelling.
- Rockville is the actual or alternate city name associated with 11 ZIP Codes by the US Postal Service.
- Select a ZIP Code on the map or from the list below, for more detailed information.
| Rockville, MD - PO Box ZIP Codes |
| 20847 20848 20849 20859 |
| Rockville, MD - Standard ZIP Codes |
| 20850 20851 20852 20853 20854 20855 |
| Rockville, MD - Unique - Single Entity ZIP Codes |
| 20857 |
