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On-Island Customer Service
508.228.0580  ι  800.533.9313
M – F:  8:30 AM – 7:00 PM
S:  8:30 AM – 2:00 PM

Mortgage Division
Loan Officer: 508.825.1106
Loan Servicing: 888.882.6900

Electronic Banking
Bank-by-Phone: 800.228.1014
Online Banking: 800.533.9313
Bill Pay Customer Support: 800.877.8021

Report a Lost or Stolen MasterCard® Debit Card
Business Hours
508.228.0580

Non-Business Hours
800.554.8969

Bank-by-Mail
Nantucket Bank
P.O. Box 988
Nantucket, MA 02554

Routing Number
211370134