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Routing Number: 211371735
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Depositors Insurance Fund

Established by the Massachusetts legislature in 1934, the Depositors Insurance Fund (DIF) is a private, industry-sponsored insurance fund that insures all deposit accounts above Federal Deposit Insurance Corporation (FDIC) limits at its member banks.

The unique combined insurance coverage afforded by the FDIC and the DIF ensures deposit balances are fully protected.

Since the DIF was established, no depositor has ever lost a penny in any Massachusetts savings or cooperative bank.

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Mitrisa Stefani

Position: Customer Relations Manager

Address: 195 Main Street, Shrewsbury, MA

NMLS ID #: 2383804

  • Bank
    • Personal Banking
      • Checking
        • RITE Premium Checking
        • RITE Extra Checking
        • RITE Student Checking
        • Basic Checking
        • Cornerstone Plus
        • Checking Rates
        • Personal Fee Schedule
      • Savings
        • Statement Savings
        • Personal Money Market
        • Premier Money Market
        • Making Cents
        • Savings Rates
      • Banking Services
      • CD Accounts and IRAs
      • Greenlight
      • Moola Kids Savings
      • uChoose Rewards
    • Business Banking
      • Commercial Checking
        • Business Checking
        • Business Maker™ Checking
        • Interest on Lawyers Trust Account Checking
        • Nonprofit Checking
      • Commercial Services
      • Commercial Savings & Money Market Accounts
      • Commercial Services Team
  • Borrow
    • Personal Lending
      • Buy or Build a Home
      • First-Time Homebuyers
      • Refinance
      • Home Equity Line of Credit Products
      • Down Payment Assistance Programs
      • Homebuyer Resources
      • Mortgage Loan Officers
      • Consumer Loans
    • Business Lending
      • Customer Portal
      • Commercial Business Loans
      • Commercial Real Estate
      • Commercial Lending Team
  • Community
    • Charitable Donation Policy
      • Charitable Donations Request Form
    • The Cornerstone Bank Scholarship
      • Cornerstone Bank 2024 Scholarship Recipients
    • CRA Public File
  • Learn
    • How-To Videos
    • Financial Literacy
      • Resources
      • Financial Literacy Program Request Form
    • Fraud and Security
      • Alerts
      • FTC Videos
      • Safeguarding Your Information
      • What Is Identity Theft?
    • FAQs
    • Calculators
  • About
    • Bank History
    • Meet Cornerstone Bank
      • Board of Directors
      • Corporators
      • Our Lenders
      • Customer Testimonials
    • News
    • Blog
    • Contact Us
      • Customer Service
      • Locations
      • Holiday Schedule
  • Careers
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800-939-9103

Branch Hours


  • Sunday: Closed

  • Monday: 8:30 am – 4:00 pm

  • Tuesday: 8:30 am – 4:00 pm

  • Wednesday: 8:30 am – 4:00 pm

  • Thursday: 8:30 am – 6:00 pm

  • Friday: 8:30 am – 5:00 pm

  • Saturday: 8:30 am – 1:00 pm

Call Center Hours


  • Sunday: 10:00 am – 2:00 pm

  • Monday: 7:30 am – 6:00 pm

  • Tuesday: 7:30 am – 6:00 pm

  • Wednesday: 7:30 am – 6:00 pm

  • Thursday: 7:30 am – 7:00 pm

  • Friday: 7:30 am – 7:00 pm

  • Saturday: 8:30 am – 1:00 pm

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  • Routing Number: 211371735
  • NMLS ID #: 403295
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