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.

610-326-5490

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, or suspected fraud, visit the Card Emergencies section of our website.

Card Emergencies

610-326-5490, choose option 4 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: 9:00 a.m. to 5:00 p.m. (Eastern Time)
Thursday & Friday: 9:00 a.m. to 6:00 p.m.
Saturday: 9:00 a.m. to 1:00 p.m.

Call Diamond

Get more information or apply online 24/7.

Diamond has several locations to serve you via drive-thru, in-person appointments and lobby service.

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.