While we are pleased to provide partial access to some branch lobbies, please know that online and mobile banking, drive-up and telephone are still the best ways for you to work with Greylock, now and for the foreseeable future. These great services not only provide improved convenience, they also provide enhanced safety for you and our staff.

We are available 24/7 at (413) 236-4000

For Updated Branch Hours CLICK HERE

For Member Updates CLICK HERE

For Business Member Updates CLICK HERE

Credit Cards

Manage My Card App

Download the Manage My Card app from Apple App Store or Google Play Store!

  • View account and transaction details
  • Make payments
  • Dispute transactions
  • Report card lost or stolen
  • Activate card
  • Add travel notes to account
  • Set alerts and controls

**Due to some limitations, the login information for the app must be different than what is used on the website version of Manage My Card.**

credit card app

available on the app store button

android app on google play store


Leave the plastic at home! Now you can use your smartphone to pay with your Greylock Debit Card. Mobile wallet is designed to securely store debit card information so you can easily make in-person and in-app purchases at participating merchants.

Apple PayGoogle PaySamsung Pay

girls using mobile wallet with greylock debit card


*Once approved, we’ll help you set up a secured share account of at least $250. This serves as collateral for the card and your credit limit will match the amount you deposit into this secured account. If you ever close your account, this secured deposit is fully refundable along with any interest you earn, as long as you pay your balance in full. Your card status will be regularly reported to the major credit bureaus, so you can build your credit with responsible use.

**For purchases, as an introductory APR of 0.00% will aply for six months from the card issue date. The standard variable rate will apply to all purchase balances after that date.

***For balance transfers, an introductory APR of 1.99% will apply for 12 months from the card issue date. The standard rate will apply to all balance transfer balances after that date. The balance transfer fee will be waived on transfers made within 12 months from the card issue date.