- Adamsville
- Aden
- Adirondack
- Adirondack Estates
- Adrian
- Agnes Corners
- Agnes Island
- Aiden Lair
- Air City
- Airways Mobile Home Park
- Akins Corners
- Akron Junction
- Alabama
- Albert Island
- Alberts Landing
- Albia
- Albion Center
- Albrights
- Alburg
- Alcott Trailer Park
- Alcove
- Alden Center
- Alden Manor
- Alder Bend
- Alder Brook
- Alder Creek
- Alder Island
- Aldrich
- Aldrich Trailer Park
- Alene