Center. P.O. Box 4405. Taunton, MA 2780. NEW Fax # Health Connector. 133 Portland Street, 1st Floor. Boston, MA 2114-1707. Fax # Central Processing Unit. P.O. Box 290794. Charlestown, MA 2129. Fax # Health Connector. 133 Portland Street. Boston, MA 2114-1707. Fax # NEW Fax #. 857- 323-8300. 22 Medical Hardship Applications.