Zip Code 20854 - Rockville, Montgomery, MD, United States
Zip Code 20854 Data
| Zip Code | 20854 |
|---|---|
| Area 1 (City, County) | Rockville, Montgomery |
| Area 2 (City, County) | Potomac, Montgomery |
| State | Maryland |
| State FIPS | 24 |
| Latitude | 39.024784 |
| Longitude | -77.246553 |
| Timezone | 5 |
| Daylight | Yes |
| Country | United States |
