Mutual Security Credit Union Mutual Security Credit Union Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Banking Services Mutual Security Credit Union 1000 Bridgeport AvenueShelton, CT 06484 800-761-2400 | fax: 203-386-9473 Visit Site Send a message to: Mutual Security Credit Union Your Name: Your Email: Subject: Message: (Date: 11/27/2024) If your business isn't here, contact us today to get listed!