Zip Code 20855 - Rockville, Montgomery, MD, United States
Zip Code 20855 Data
| Zip Code | 20855 |
|---|---|
| Area 1 (City, County) | Rockville, Montgomery |
| Area 2 (City, County) | Derwood, Montgomery |
| State | Maryland |
| State FIPS | 24 |
| Latitude | 39.14107 |
| Longitude | -77.138008 |
| Timezone | 5 |
| Daylight | Yes |
| Country | United States |
