American Express
Online status check
https://www262.americanexpress.com/eaol/welcome.do?inav=open_applicationstatus
Bank of America
1-866-865-7839
Online status check
https://www.bankofamerica.com/application-status/credit-cards/app-status-form.go
Citibank
1-866-606-2787
Online status check
US Bank
1-800-947-1444