During business hours, contact your WTPhelan branch office.
After hours/emergency pager for Certuse Adjustment: 978.445.0431
Andover Companies (Merrimack Mutual, Cambridge Mutual & Bay State)
P.O. Box 986531
Boston, MA 02298-6531
Physical Address for Overnight/Express Payments:
Andover Companies (Merrimack Mutual, Cambridge Mutual & Bay State)
c/o Lighthouse Payment Services Inc.
320 Libbey Industrial Parkway, Suite 500
Weymouth, MA 02189
Andover Companies (Merrimack Mutual, Cambridge Mutual & Bay State)
P.O. Box 986531
Boston, MA 02298-6531
Physical Address for Overnight/Express Payments:
Andover Companies (Merrimack Mutual, Cambridge Mutual & Bay State)
c/o Lighthouse Payment Services Inc.
320 Libbey Industrial Parkway, Suite 500
Weymouth, MA 02189
