Fraud Alert: Diamond has been made aware of fraudulent texts and calls claiming to be Diamond or Diamond’s Fraud Team. Please do not share sensitive information, including logins or passwords – Diamond will never ask for this info. If in doubt, contact us directly at 610.326.5490.

That's Younity.
That's Younity.

Blog

Someone taking their credit card out of a black wallet.
May 14, 2026

Helping Your Teen Choose Their First Credit Card

The first credit card is an important financial milestone for many teens and young adults.

Read More
Security & Fraud
May. 8, 2026

Your Digital Life May Not Be Your Own
Financial Literacy
May. 7, 2026

The Pros & Cons of Auto Warranties
Financial Literacy
May. 6, 2026

Setting Financial Boundaries That Protect Your Freedom
Security & Fraud
May. 5, 2026

Travel Smart: How to Avoid Travel Scams and Vacation Fraud 
News
May. 1, 2026

2026 People’s Choice Awarded to Diamond Credit Union for 19th Year
Financial Literacy
Apr. 13, 2026

You Might Qualify for a First-Time Homebuyer Grant
Local Phone Number: 610-326-5490
Toll Free Phone Number: 800-593-1000
Routing Number: 231385154