- Aiken
- Allendale
- Andrews
- Antreville
- Arcadia Lakes
- Arial
- Awendaw
- Aynor
- Abbeville
- Anderson
- Atlantic Beach
- Abingdon
- Abney Crossroads
- Academy Estates
- Acapulco
- Adams Crossing
- Adams Landing
- Adams Run
- Adamsburg
- Adamsville Crossroads
- Adger
- Adrian
- Air Base Heights
- Airlee
- Alcolu
- Alcot
- Alexander Crossroads
- Allen
- Allendale
- Allentown