You can find credit union service centers worldwide:

Worldwide Branches - CU Service Centers

You can contact these credit union departments directly with a toll-free call:

Consumer Loans 1-800-936-7730 (U. S. - Nationwide)
Real Estate Loans 1-800-619-6575
Contact Center 1-800-936-7730 (U. S. - Nationwide)
Contact Center 00800-4728-2000 (Germany)

Call 24 - automated telephone teller is available 24 hours a day, seven days a week by calling 1-800-962-6385 (from the continental U.S.), Toll-free from Germany at 0-800-732-8847, German Commercial at 49-631-351-2090, or DSN 489-6673.