Customer Service -- How can we help you?
Speak with a Customer Service Representative
- Dial (888) 418-5626 Monday to Friday 8 a.m. to 6 p.m., Saturdays 9 a.m. to 1 PM, for our Domestic and International Callers.
- For our hearing impaired customers: Dial (617) 441-4200
- CSB PhoneBank: 1-800-864-BANK (2265)
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Service Requests
Order FREE Services Online
Request Product Information and/or An Application
Email Us General Inquiries That Do Not Include Sensitive Information
Contact a CSB Mortgage Representative
Apply For A CSB Mortgage
Apply For A CSB Equity Loan or call (888) 418-LOAN to apply over the phone
Find a CSB Banking Center near you
Bank by Mail. Mail deposits to Cambridge Savings Bank, P.O. Box 380206, Cambridge, MA 02238-9906 and a receipt will be mailed to you once your deposit is processed.
Report A Lost or Stolen CSB CheckCard After Business Hours: Call (800) 472-3272.
Report A Lost or Stolen CSB Credit Card or For Information On Your Current CSB Credit Card Account: Call (800) 635-0581.
