Https://ns-advising.ucmerced.edu/system/files/webform/quick-complete-list-of-air-canada-customer-service-usa-contact-number-all-in-one-guide.pdf https://ns-advising.ucmerced.edu/system/files/webform/quick-complete-list-of-air-canada-customer-service-usa-contact-number-all-in-one-guide.pdf