| | Bethesda CDP | 2407125 | Montgomery County 24031 | MD | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Y | https://maps.google.com/?q=Bethesda+MD |
| | Gaithersburg city | 2431175 | Montgomery County 24031 | MD | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Y | https://maps.google.com/?q=Gaithersburg+MD |
| | North Bethesda CDP | 2456337 | Montgomery County 24031 | MD | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Y | https://maps.google.com/?q=NorthBethesda+MD |
| | Rockville city | 2467675 | Montgomery County 24031 | MD | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Y | https://maps.google.com/?q=Rockville+MD |