- Avondale Hill
- Allens
- Aiken
- Allen
- Annin Creek
- Amsterdam
- Alexander Springs
- Alfarata
- Anderson
- Atkinson Mills
- Appenzell
- Arrowhead Lake
- Abbey Downs
- Municipio de Abington
- Abrahams
- Abruzzi Estates
- Academyville
- Acorn
- Ager Tract
- Alnwick
- Alto Grandview Acres
- Ambler House
- Andorra Springs
- Andorra Woods
- Anise
- Apple Tree Estates
- Arbor Glen
- Arbors at Providence
- Arcadia at Inverness Glen
- Ardsley