1st United Credit Union is here to help. Friendly team members available MF 8 am – 6 pm and Sat.4968 for personal assistance. Contact Provident Credit Union toll free at (800) 632-4600. Find phone numbers, mailing addresses, and other ways to contact Provident Credit Union. If you're worried about how to get out of debt, here are some things to know — and how to find legitimate help. Please also note that a completed, signed authorization should be faxed to 609-718-1700. Our friendly branch staff located at 2680 5th Street in Alameda, CA are knowledgeable about all things money management and here to assist you. How can we help you? Our friendly branch staff located at 2680 5th Street in Alameda, CA are knowledgeable about all things money management and here to assist you.