- CALLS stands for Coalition for Affordable Local and Long-distance Service (AT&T, Sprint, GTE, Bellsouth)
- CALLS stands for Cognitive Assessment of Later Life Status (neuropsychological assessment)
- CALLS stands for California Academia Libraries List of Serials
- CALLS stands for Community Adult Literacy and Learning Society (Canada)
- CALLS stands for Caribbean Automated Long Lines Service
Abbreviations And Their Meaning