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On-Island Customer Service

508.228.0580 |  800.533.9313

Hours:
Monday – Friday:  8:30 AM – 7:00 PM
Saturday:  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


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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


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Branch Locations


2017 Holidays

The Bank will be closed on
the following holidays:

Martin Luther King Day – Mon., January 16
Presidents’ Day – Mon., February 20
Memorial Day – Mon., May 29
Independence Day – Tue., July 4
Labor Day – Mon., September 4
Columbus Day – Mon., October 9
Veterans’ Day – Sat., November 11
Thanksgiving Day – Thu., November 23
Christmas Day – Mon., December 25