FSB Bancorp ❤️ Log In (Now M&T Bank)

Can’t log in to FSB Bancorp? FSB Bancorp (Farmington Savings Bank) no longer exists. The historic Connecticut bank, founded in 1851, was acquired by People’s United Bank in 2018, which then merged into M&T Bank in 2022. Former Farmington Bank customers now access their accounts through M&T Bank at mtb.com.

Quick Access


What Happened to Farmington Bank?

⚠️ Farmington Bank Timeline:

  • 1851: Founded as Farmington Savings Bank
  • 2018: Acquired by People’s United Bank ($544M deal)
  • April 2022: People’s United merged into M&T Bank ($8.3B acquisition)
  • September 2022: Customer transition completed

If you’re looking for your old Farmington Bank account, it’s now with M&T Bank.


How to Log In (Current – M&T Bank)

📱 Via Mobile App

  1. Download the M&T Mobile Banking app from Play Store or App Store
  2. Open the app
  3. Enter your User ID and Passcode
  4. Complete any security verification
  5. Access your accounts

🌐 Via Web

  1. Visit mtb.com/log-in
  2. Enter your User ID
  3. Enter your Passcode
  4. Complete verification if prompted
  5. Access your dashboard

⚠️ Known Issues & Common Problems

🔴 Critical Issue – Login Screen Freeze:

“9/10 times you open it, it gets stuck on the stupid ‘together we can’ loading screen with no option to log in.” – App Store Review, October 2026

⚠️ Warning – Verification Code Changes:

M&T removed text message as an option for verification codes. Some customers report frustration having to use email or authenticator apps instead.

⚠️ Warning – Transition Troubles:

Some former People’s United/Farmington Bank customers experienced login issues during the 2022 transition. Only about 40% could log in immediately after the merger.


💡 Troubleshooting Tips

  • App stuck on loading: Force close and reopen. If persistent, uninstall and reinstall.
  • Can’t log in after merger: Call 1-800-790-9130 for Online Banking support
  • Forgot credentials: Use “Forgot User ID/Passcode” on login page
  • Account not found: Your account may have been closed during transition. Contact customer service.

🔒 Security Tips

  • Never share your User ID or Passcode
  • Download the official M&T app only from Play Store or App Store
  • M&T will never ask for your full Passcode via phone or email
  • Enable biometric login (fingerprint/face) for faster, secure access
  • Log out when using shared devices


📞 Contact M&T Customer Service

  • Phone (24/7): 1-800-724-2440
  • Online Banking Support: 1-800-790-9130 (8 AM-9 PM ET Mon-Fri, 9 AM-5 PM weekends)
  • Website: mtb.com/help-center

❓ Frequently Asked Questions

Why can’t I find FSB Bancorp/Farmington Bank anymore?

Farmington Bank was acquired by People’s United Bank in 2018, which merged into M&T Bank in 2022. Your account is now with M&T Bank.

How do I log in to my old Farmington Bank account?

Visit mtb.com/log-in and use the credentials you received during the M&T transition. If you never set up M&T access, call 1-800-790-9130.

Why is the M&T app stuck on the loading screen?

This is a known issue. Try force-closing the app, clearing cache, or reinstalling. If the problem persists, use the website instead.

What happened to my Farmington Bank routing number?

Your routing number changed when accounts migrated to M&T Bank. Check your new account documents or log in to mtb.com to find your current routing number.

Can I still use my old Farmington Bank checks?

No. You should have received new M&T checks during the transition. Old checks with Farmington Bank or People’s United information are no longer valid.

Why was my verification code method changed?

M&T removed text message verification for some accounts. You may need to use email or an authenticator app instead.

What are M&T Bank’s customer service hours?

The main line (1-800-724-2440) is available 24/7. Online Banking support (1-800-790-9130) is available 8 AM-9 PM ET Monday-Friday, 9 AM-5 PM weekends.

Is my money safe after the merger?

Yes. M&T Bank is FDIC insured. Your deposits are protected up to $250,000 per depositor, per insured bank.

Why can’t I find my account after the merger?

Some accounts were closed or modified during the transition. Contact M&T customer service at 1-800-724-2440 to locate your account.

Does M&T Bank have branches in Connecticut?

Yes. M&T maintained many former People’s United/Farmington Bank branch locations, though some (particularly Stop & Shop locations) were closed.

Last Updated on January 4, 2026

URL: https://log-in.me/fsb-bancorp-log-in/

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