Rockville Maryland is covered by a total of 8 ZIP Codes. There are also 2 ZIP Codes that overlap Rockville but have a different postal city name. The ZIP Codes in Rockville range from 20847 to 20857. Of the ZIP codes within or partially within Rockville there are 4 Standard ZIP Codes, 1 Unique ZIP Codes and 3 PO Box ZIP Codes. The total population of ZIP Codes in Rockville is 145904.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Rockville and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Rockville | PO Box | |||
| Rockville | PO Box | |||
| Rockville | PO Box | |||
| Rockville | Standard | |||
| Rockville | Standard | |||
| Rockville | Standard | |||
| Rockville | Standard | |||
| Potomac | Standard | |||
| Derwood | Standard | |||
| Rockville | Unique |