 Abattis |
| Abells |
| Acid |
| Adair |
| Adam-Ondi-Aman |
| Adams Mill |
| Adamsburg |
| Air |
| Albany |
| Alderney |
| Alexander & Rieds Mill |
| Alexandria |
| Allen Ford Mill |
| Alston |
| Alton Ferry Landing |
| Apple Creek |
| Apple Creek Mill |
| Appleton |
| Appleton Mine |
| Argo |
| Arnett |
| Arrow Rock |
| Arroyo |
| Ash Landin |
| Ash Mill |
| Athens |
| Atherton |
| Audrains Mill |
| August |
| Augusta Ferry |
| Augusta Station |
| Austin City |
| Austins Mill |
| Austria |
| Avery Settlement |
| Avoca |
| Avon Mines |
| Avory |