Help and Contact Us
To contact us by phone:
Member Service Line:800-556-5154 or 414-546-7450
Guardian Line (24-hour telephone teller):
800-941-1313 or 414-856-9323
Lost or Stolen Guardian Debit Card:
800-528-2273
To contact us by mail:
Guardian Credit UnionP.O. Box 270124
West Allis, WI 53227
