Use our convenient email form below to submit your email address and your question/request. A Diamond Representative will respond by the end of the next business day. Please DO NOT include account numbers or sensitive information in this email.
Contact Us
Contact Our Financial Team Of Experts
We look forward to assisting you.
Diamond Credit Union Routing Number: 231385154
Phone
During Business Hours: 610-326-5490
Choose from a list of automated options or connect with our Contact Center for personal assistance.
Monday – Wednesday: 8:00 a.m. to 5:00 p.m. (Eastern Time)
Thursday: 8:00 a.m. to 7:00 p.m.
Friday: 8:00 a.m. to 6:00 p.m.
Saturday: 8:00 a.m. to 1:00 p.m.
Live Chat
For general questions, you can chat online with a Diamond Member Services Representative. When you chat, you will be communication live with Diamond.
Monday – Wednesday: 8:30 a.m. to 4:30 p.m. (Eastern Time)
Thursday: 8:30 a.m. to 6:30 p.m.
Friday: 8:30 a.m. to 5:30 p.m.
Saturday: 8:30 a.m. to 12:30 p.m.
Lending Call Center
Call 610-326-5490, to connect with the Lending Call Center.
Our dedicated loan professionals are ready to assist you by phone with your lending needs during business hours.
Monday – Wednesday: 8:00 a.m. to 5:00 p.m. (Eastern Time)
Thursday & Friday: 8:00 a.m. to 6:00 p.m.
Get more information or apply online 24/7.
Postal Mail
All postal mail should be sent to:
Diamond Credit Union
1600 Medical Drive
Pottstown, PA 19464
If a specific person, department, or branch is desired, then please include that information as the first line of the address.
Card Emergencies
For assistance with lost or stolen cards, or suspected fraud, visit the Card Emergencies section of our website.
Branch Locations
Diamond has several locations to serve you via drive-thru, in-person appointments and lobby service.
