Cities, Towns, and Villages*
- Bozrah
- Colchester
- Westchester
- East Lyme
- Flanders
- Niantic
- Franklin
- Griswold
- Borough of Jewett City
- Hopeville
- Glasgo
- Pachaug
- Groton
- City of Groton
- Groton Long Point
- Long Hill
- Mystic (also in Stonington)
- Noank
- Poquonock Bridge
- Lebanon
- Ledyard
- Gales Ferry
- Ledyard Center
- Lisbon
- Lyme
- Montville
- Chesterfield
- Mohegan
- Oakdale
- Oxoboxo River census-designated place
- Uncasville
- New London
- North Stonington
- Norwich
- Old Lyme
- Preston
- Poquetanuck
- Preston City
- Salem
- Sprague
- Baltic
- Stonington
- Pawcatuck
- Mystic (also in Groton)
- Old Mystic
- Voluntown
- Waterford
- Quaker Hill
* Villages are named localities within towns, but have no separate corporate existence from the towns they are in.
Read more about this topic: New London County, Connecticut