| CODE | EXPLANATION |
| BB | Big Book |
| BBS | Big Book Study |
| BG | Beginners |
| C | Closed |
| CBBS | Closed Big Book Study |
| CD | Closed Discussion |
| GLBT | Gay, Lesbian, Bi-sexual, Transgender |
| LS | Literature Study |
| NC | Newcomers |
| O | Open |
| OBBS | Open Big Book Study |
| OD | Open Discussion |
| OS | Open Speaker |
| SS | Step Study |