Https://uroc.ucmerced.edu/sites/g/files/ufvvjh1956/f/webform/full-list-of-singapore-airlines-customer-contact-numberstm-in-the-usa-an-all-in-one-official-guide.pdf https://uroc.ucmerced.edu/sites/g/files/ufvvjh1956/f/webform/full-list-of-singapore-airlines-customer-contact-numberstm-in-the-usa-an-all-in-one-official-guide.pdf