CALLS
| Acronym | Definition |
|---|---|
| CALLS | Computer Assisted Learning Instruction System |
| CALLS | Coalition for Affordable Local and Long-distance Service (AT&T, Sprint, GTE, Bellsouth) |
| CALLS | Cognitive Assessment of Later Life Status (neuropsychological assessment) |
| CALLS | California Academia Libraries List of Serials |
| CALLS | Community Adult Literacy and Learning Society (Canada) |
| CALLS | Caribbean Automated Long Lines Service |