- Accord
- Adams
- Adams Center
- Addison
- Afton
- Airmont
- Akron
- Alabama
- Albany
- Albertson
- Albion
- Alden
- Alexander
- Alexandria Bay
- Alfred
- Allegany
- Alma
- Almond
- Altamont
- Altmar
- Altona
- Amagansett
- Amenia
- Ames
- Amherst
- Amityville
- Amsterdam
- Andes
- Andover
- Angelica
- Angola
- Angola on the Lake
- Antwerp
- Apalachin
- Aquebogue
- Arcade
- Ardsley
- Argyle
- Arkport
- Arlington
- Armonk
- Arrochar
- Arverne
- Asharoken
- Astoria
- Athens
- Athol
- Atlantic Beach
- Attica
- Au Sable Forks
- Auburn
- Augusta
- Aurora
- Averill Park
- Avoca
- Avon
