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Credit union · NCUA insured

A $379.1M credit union headquartered in Shelton, CT, with 26,354 members and 10 branches in Connecticut. Best rates: CDs 0.90% and savings 2.25% APY.

MSCU Carrot Score

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Higher than 97% of U.S. banks and credit unions

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#1 of 38 in Bridgeport, CT metroHow the score works →

Deposits are federally insured by the NCUA up to $250,000 per depositor.

About MSCU

Founded in 1954, Mutual Security Credit Union is a 100% member-owned institution serving more than 28,000 members across Western Connecticut.

MSCU holds the Juntos Avanzamos designation, demonstrating its commitment to supporting Latino and immigrant communities across its service area.

Headquarters
1000 Bridgeport Ave Ste 503, Shelton, CT 06484-4602
NCUA charter
68479
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Who can join

This may be incomplete or out of date, so check with the credit union before you apply.

Where you live or work

  • Membership is open to anyone who lives, works, worships, or attends school in Fairfield, Litchfield, or New Haven counties in Connecticut.

Family and household

  • Family members of current members are eligible to join.

10 branches in Connecticut

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Walk-in offices from the NCUA directory as of March 31, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.