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COVID-19 UPDATE: MSCU's Danbury and Norwalk branch lobbies are temporarily closed, but their drive-thrus remain open. Our Shelton, Stratford and Watertown branch continue to operate by appointment only, please call us at (800) 761-2400. Members can access and manage all their accounts 24/7 by signing into Digital Banking or by downloading the MSCU Mobile app.


Contact Us

Whether you're looking to apply for a loan, explore deposit options, have a question about budgeting, MSCU locations, or your account numbers, we're here for you! Contact us by phone or using the contact form below. If you're looking for our Routing Number, it's #221174508.


Lost or Stolen Cards

If your MSCU debit or credit card is lost or stolen, please call us immediately.

Lost/Stolen Debit Cards: 800-682-6075
Lost/Stolen Credit Cards: 800-449-7728


2020 Holiday Hours

Discover which federal holidays in 2020 MSCU branches and offices will be closed, here


Contact Us Via Phone

To speak with a Member Service Representative in our Contact Center, please call 1-800-761-2400. We're available to assist you Monday - Friday 8:00 AM to 8:00 PM.


Contact Us Form

Use the form below to submit your questions or comments and a member of our team will be in touch. In order to protect your online safety, security and privacy, do not include your account number, credit card number and/or social security number when using this form.

Contact Us Today