603 Checking Account*—Banking That Gives Back to NH.

With 603 Checking, your everyday banking helps shape the community impact St. Mary’s Bank brings to New Hampshire nonprofits.

Open 603 Checking

💳 How 603 Checking Works

603 Checking includes all the features of our Beyond Checking account — plus a simple way to support local New Hampshire nonprofits with every debit card purchase. Every swipe helps give back to the communities we serve. And because membership at St. Mary’s Bank is open to everyone, it’s easy to get started.

  • Every Swipe Supports NH Charities: Turn everyday purchases into support for local nonprofit organizations across New Hampshire. For every debit card transaction you make, we donate $0.0603 — automatically and at no cost to you.
  • No Monthly Fees: Keep more of your money with no monthly service fees* with free eStatements.
  • No Minimum Balance: Use your account freely without worrying about maintaining a minimum balance.

 

 

Already a member?

If you have an existing checking account and would like to convert to the 603 Account, call our Member Contact Center at (888) 786-2791, or visit any branch and our team will help you set up your new account.

NHFallMountains

Why Choose the 603 Account?

  • Support local Causes: Your banking activity directly benefits New Hampshire Communities.
  • Simplify Your Finances: Manage your account digitally with ease and transparency
  • You Choose Who to Support: Choose your non-profit category when you open your account.
Open 603 Checking View Checking Rates
Best Buddies Logo

Children & Families

Best Buddies in New Hampshire is a nonprofit organization that creates inclusive opportunities for individuals with intellectual and developmental disabilities (IDD). Through friendships, employment, leadership training, and family support, they empower people with IDD to thrive. They foster connection, independence, and community for those with Down syndrome, autism, and related disabilities.

Select the Children & Families category to help Best Buddies reach the $5,000 maximum donation.

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Friends of the Animal Shelter Logo

Animals

Friends of the Manchester Animal Shelter is a nonprofit that has cared for over 25,000 homeless, abused, and abandoned animals since 1996. They provide shelter, medical care, and spay/neuter services while promoting education, fostering, and adoption to achieve zero population growth and ensure all animals receive the respect and care they deserve.

Select the ANIMALS category to help the Friends of the Animal Shelter reach the $5,000 maximum donation.

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Blue Ocean Society for Marine Conversation Logo

Environment

Blue Ocean Society for Marine Conservation is a nonprofit founded in 2001 to protect marine life in the Gulf of Maine. They conduct research, educate the public, and inspire action. Through outreach and stewardship, they work toward a future where marine life thrives and communities are engaged in ocean conservation.

Select the ENVIRONMENT category to help the Blue Ocean Society for Marine Conservation reach the $5,000 maximum donation.

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Nashua Soup Kitchen and Shelter Logo

Food & Shelter

Nashua Soup Kitchen and Shelter provides food, emergency shelter, and a wide range of supportive services to individuals and families throughout Greater Nashua. They work to improve and increase access to a full spectrum of basic needs through engaging in advocacy work, conducting sustainable programs, and thoughtfully collaborating with peer agencies.

Select the FOOD & SHELTER category to help the Nashua Soup Kitchen and Shelter reach the $5,000 maximum donation.

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Open a 603 Account

For existing members, please log in to Online Banking to open.
Already have a checking account? Call the Member Contact Center at (888) 786-2791 or visit any branch.
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Pair with a Rainy Day Savings

  • Build an emergency savings cushion
  • Enjoy one free withdrawal each month
  • Minimum monthly automatic deposit of just $25
  • Achieve savings goals faster with high-yield interest rates
Learn More

*603 Account: St. Mary’s Bank will donate $0.0603 to a non-profit per debit card purchase transaction. Maximum donation for each category is established each year and posted online at stmarysbank.com/603. The primary account owner will select the non-profit/category at time of account opening and may change it once per year. Donations will be made to the designated non-profit in the selected category in place at the time of payout. Beneficiary organizations are designated at the sole discretion of St. Mary’s Bank and posted online at www.stmarysbank.com/603. Donations are made by St. Mary’s Bank and not considered to be charitable donations by the account owners. $10 minimum balance required to open account. Avoid $2 monthly paper statement fee by enrolling in free eStatements.

By applying for a 603 Checking account, you agree to receive a Visa debit card in the mail.  The card is inactive until validated and if not needed, dispose of it per the account instructions provided with the debit card.  See the Electronic Fund Transfer Disclosures included with your card for details.