- Amherst
- Amity
- Ancramdale
- Annsville
- Appleton
- Archville
- Arden
- Arkville
- Armor
- Arverne
- Ashland
- Ashokan
- Astoria
- Athol
- Athol Springs
- Atlanta
- Auriesville
- Austerlitz
- Acidalia
- Aden
- Anderson
- Airways Mobile Home Park
- Applegate Corner
- Asbury
- Aubles Trailer Park
- Allaben
- Alligerville
- Aloha Home Acres Mobile Home Park
- Alpine Heights Mobile Home Park
- Ardonia