Contact Us

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.

During Business Hours: Choose from a list of automated options or connect with our Call Center for personal assistance.

Monday – Wednesday: 9:00 a.m. to 5:00 p.m. (Eastern Time)
Thursday & Friday: 9:00 a.m. to 7:00 p.m.
Saturday: 9:00 a.m. to 1:00 p.m.

After Hours Assistance: Diamond offers after-hours support. A live person is available to answer questions and assist members, or in certain cases, a Diamond representative will follow-up the next business day. For assistance, call 800-593-1000, option #3.

Call Diamond

For general questions, you can chat online with a Diamond Member Services Representative. When you chat, you will be communicating live with Diamond.

Monday – Wednesday: 9:00 a.m. to 5:00 p.m. (Eastern Time)
Thursday – Friday: 9:00 a.m. to 7:00 p.m.
Saturday: 9:00 a.m. to 1:00 p.m.

Launch Chat

For assistance with lost or stolen cards, visit the Card Emergencies section of our website.

Card Emergencies

Our dedicated loan professionals are ready to assist with your lending needs during business hours.

Monday – Wednesday: 9:00 a.m. to 5:00 p.m. (Eastern Time)
Thursday & Friday: 9:00 a.m. to 6:00 p.m.

Call Diamond

Choose option 4 to connect with the Lending Call Center.

Get more information or apply online 24/7.

Diamond has several locations to serve our membership via drive-thru and in-person appointments for select services.

Branch Locations and Appointment Scheduler

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.