ZIP codes of cities in Maryland
Maryland has six hundred three ZIP Codes for postal services.
| City | Zipcode | Type |
|---|---|---|
| Zipcode of Potomac | 20854 | Standard |
| Zipcode of Derwood | 20855 | Standard |
| Zipcode of Rockville | 20857 | Company/Organization |
| Zipcode of Potomac | 20859 | PO Box |
| Zipcode of Sandy Spring | 20860 | Standard |
| Zipcode of Ashton | 20861 | Standard |
| Zipcode of Brinklow | 20862 | Standard |
| Zipcode of Burtonsville | 20866 | Standard |
| Zipcode of Spencerville | 20868 | Standard |
| Zipcode of Clarksburg | 20871 | Standard |
| Zipcode of Damascus | 20872 | Standard |
| Zipcode of Germantown | 20874 | Standard |
| Zipcode of Germantown | 20875 | PO Box |
| Zipcode of Germantown | 20876 | Standard |
| Zipcode of Gaithersburg | 20877 | Standard |
| Zipcode of Gaithersburg | 20878 | Standard |
| Zipcode of Gaithersburg | 20879 | Standard |
| Zipcode of Washington Grove | 20880 | PO Box |
| Zipcode of Gaithersburg | 20882 | Standard |
| Zipcode of Gaithersburg | 20883 | PO Box |
| Zipcode of Gaithersburg | 20884 | PO Box |
| Zipcode of Gaithersburg | 20885 | PO Box |
| Zipcode of Montgomery Village | 20886 | Standard |
| Zipcode of Bethesda | 20889 | Company/Organization |
| Zipcode of Kensington | 20891 | PO Box |