Mailing Address – All Correspondence 335 West Butler Avenue Chalfont, PA 18914
Contact Us Through Our Secure Form
24-Hour Call Center
Phone: (215) 996-3700 Fax: (215) 996-3710
After Hours Assistance: Merck Sharp & Dohme FCU has after-hours support for various services. A live person is available to answer questions and assist members, or they will notify MSDFCU representatives for follow-up the next business day. We have changed our menu options, please listen carefully to the automated options when connecting with our courteous call center representatives who will be happy to assist you.
Outside Calling Region: (800) 86-MSDCU [800-866-7328]	Monday- Thursday: 9:00 a.m. - 5:00 p.m. Friday: 9:00 a.m. - 6:00 p.m. Saturday: 9:00 a.m. - 12:00 p.m.
Chalfont Branch
335 West Butler Avenue Chalfont, PA 18914 view map Fax: (215) 996-3728	Monday- Thursday: 9:00 a.m. - 5:00 p.m. Friday: 9:00 a.m. - 6:00 p.m. Saturday: 9:00 a.m. - 12:00 p.m.
Collegeville Branch
130 West Main Street Trappe, PA 19426 view map Fax: (215) 996-3831	Monday- Thursday: 9:00 a.m. - 5:00 p.m. Friday: 9:00 a.m. - 6:00 p.m. Saturday: 9:00 a.m. - 12:00 p.m.
Lansdale Branch
333 South Broad St. Lansdale, PA 19446 view map Fax: (215) 361-7248	Monday- Thursday: 9:00 a.m. - 5:00 p.m. Friday: 9:00 a.m. - 6:00 p.m. Saturday: 9:00 a.m. - 12:00 p.m.
Harleysville Branch
665 Main Street Harleysville, PA 19438 view map Fax: (866) 663-0375	Monday- Thursday: 9:00 a.m. - 5:00 p.m. Friday: 9:00 a.m. - 6:00 p.m. Saturday: 9:00 a.m. - 12:00 p.m.
Merck ID is required to access the following locations:
West Point Branch
P.O. Box 4, WP53F-102 West Point, PA 19486 Fax: (866) 316-5828	Monday- Thursday: 9:00 a.m. - 5:00 p.m. Friday: 9:00 a.m. - 6:00 p.m.
Upper Gwynedd Branch
P.O. Box 1000, UG2-CU North Wales, PA 19454 Fax: (866) 806-2761	Monday- Thursday: 9:00 a.m. - 5:00 p.m. Friday: 9:00 a.m. - 6:00 p.m.