- Addison
- Addison Heights
- Aden
- Adial
- Admiralty Mobile Home Court
- Adner
- Adria
- Adsit
- Advance Mills
- Advance Mills Village
- Adwolf
- Afredton
- Afton
- Afton
- Agnewville
- Agricola
- Ahoy Acres
- Ahoy Shores
- Aiken Summit
- Aily
- Airlee Court
- Airlie
- Airmont
- Airpoint
- Airport Acres
- Airview Court
- Ajax
- Alanthus
- Alantic City
- Alanton