Contact Us

Contact Us

Administrative Headquarters
5000 Louise Drive
PO Box 40
Mechanicsburg PA 17055
Monday - Friday: 9 am - 5 pm EST

Main Switchboard: (800) 283-2328

EZ Call: (800) 283-4372

Account Inquiries (TeleBranch/Customer Service): (800) 237-7288
Monday - Wednesday: 7:30 am to 5 pm EST
Thursday: 7:30 am to 6 pm EST
Friday: 7:30 am to 7 pm EST
Saturday: 8:30 am to 2 pm EST
Email: Account and Transaction Inquiries

Mailing Address for Loan Payments:
Members 1st FCU
P.O. Box 2104
Mechanicsburg, PA 17055-2104
Mailing Address for VISA Credit Card Payments:
Members 1st FCU
P.O. Box 2109
Mechanicsburg, PA 17055-1719
   
Mailing Address for Deposits:
Members 1st FCU
P.O. Box 2110
Mechanicsburg, PA 17055-1710