COVID-19 Delta Variant Mask Mandate

Due to state or local requirements, visitors must wear face coverings in some of our branches. Thank you for your cooperation.

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Call Center

You can reach us toll free at 800-656-4328. International callers can reach us by dialing 781-698-2000.

Via US Mail

Hanscom Federal Credit Union
25 Porter Road, Suite 100
Littleton, MA 01460-1434

Via Fax

Send us a fax at 978-952-8535 or toll free at 888-279-7725.

Secure Email

Need to make a private request or send us some information that is confidential? Send us a secure email. Log in to Online Account Access. Select the Messages option in the left side menu and click on New Conversation.  Not sure how to log in to Online Account Access? Click here for instructions.

Unsecure Email

Haven't set up Online Access? Can't get to a telephone? Send us a simple, unsecure email message.

PLEASE NOTE: Hanscom Federal Credit Union will never call you and ask you to confirm your password or pin numbers.

To report a lost or stolen Mastercard® card

The office is open during the following days and hours:

Monday – Friday • 8:00 a.m. – 5:30 p.m.


After business hours and weekends call:

In the US and Canada, call 833-337-6075 . Outside the US, call us collect at 614-564-5105

Fraud Prevention Services

If you suspect fraudulent charges on your Mastercard® debit or credit card call us at 800-656-4328, after normal business hours, please call 833-337-6075