Massachusetts Department of Social Services
DSS is the State agency responsible for investigating reports of suspected child abuse and neglect in Massachusetts.

Their Home Page:

Definitions of abuse and/or neglect:

To learn about warning signs of abuse and/or neglect:

How to report suspected child abuse and/or neglect in Massachusetts:
During weekday business hours call 1-800-kids508.
After hours and weekends call 1-800-792-5200.
Local New Bedford DSS Office call 508-910-1000.

To learn what information will be needed when you report go to:

Local DSS Office closest to Dartmouth:
New Bedford Area Office
100 North Front Street
New Bedford, MA 02740
(508) 910-1000