Credit Union Information

We’re here for you.

Branch Location

83 Merrimack Street 
Lowell, MA 01852
 Phone: 978-328-5100
Fax: 978-458-8933

Contact Us

Branch Hours

Monday – Tuesday 9:00am 4:00pm
Wednesday 9:00am 12:00pm
Thursday 9:00am 7:00pm

Friday 9:00am 5:00pm

Saturday 9:00am 12:00pm


Mills42 VISA® Credit Card Services Phone Numbers

  • VISA® Automated Line: 800.843.5463
  • Lost/Stolen VISA® Credit Card: 866.604.0381
  • VISA® Credit Card Activation (within the U.S.): 800.543.5073

Mills42 MasterCard™ Debit Card Phone Numbers

  • Lost/Stolen MasterCard ® Debit Card: 888-241-2510
  • Please report all lost or stolen cards immediately to the credit union office at 978-328-5100 or contact our 24-hour customer hotline number at 1- 888-241-2510 or direct at 909-941-1398.
  • Please be advised that after activation, if your Mills42 MasterCard™ Debit Card is lost or stolen, it can be used without needing your PIN number.

ACH Routing Number - 2113-81592

Not a member yet? We’ll take care of that for you as you’re opening your account or taking out a loan. If you want to get a jump-start, enroll online or just give us a call at 978.328.5100. We’ll be happy to help you build from here.