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We’ve updated our website! You’ll notice a fresh new look as we’ve made improvements to enhance your experience. As we complete the transition, some areas may continue to settle in, but everything you’re looking for is still here.

Please be advised that our Ailsa Craig ATM will be temporarily unavailable on August 11 and August 12. The ATM is expected to be available on August 13. In the meantime, please see the Exchange Network ATM locator for your nearest ding-free ATM.

Contact Information

4348 St. Clair Parkway

Port Lambton, Ontario  N0P 2B0

Hours

Sunday Closed
Monday 9:00 am – 1:00 pm
Tuesday 9:00 am – 1:00 pm
Wednesday 9:00 am – 1:00 pm
Thursday 9:00 am – 1:00 pm
Friday 9:00 am – 1:00 pm
Saturday 9:00 am – 1:00 pm (Phone Services Only)
Breann Friesen standing in front of Mainstreet branch.

Breann Friesen

Branch Manager

Mainstreet Credit Union

Services

  • ATM (Interior)
  • Business & Agricultural Accounts (by appointment only)
  • Business & Agricultural Lending (by appointment only)
  • Business Mastercards
  • Cash Services
  • Financial Planning (by appointment only)
  • Investment Services (by appointment only)
  • Personal Accounts
  • Personal Loans & Lines of Credit
  • Personal Mortgages
  • Personal Savings Accounts, Terms, Registered Savings

We acknowledge that our Port Lambton branch is located on the traditional and treaty lands of the Anishinaabek, Haudenosaunee, and Lūnaapéewak (Lenape/Delaware) peoples, and on the historic lands of the Attawandaron (Neutral), within the lands of Treaty 2, the McKee Purchase (1790). Today, this remains home to the Walpole Island, Aamjiwnaang, Chippewas of Kettle & Stony Point, and Delaware Nation at Moraviantown. We honour their enduring presence and commit to reconciliation with respect and action.