To login to IRS account go here: https://sa.www4.irs.gov/eauth/pub/login.jsp?

if forgot username start here: https://sa.www4.irs.gov/eauth/pub/forgot_userid.jsp

To check status of refund: https://www.irs.gov/refunds

for more tools check here: https://www.irs.gov/help/tools\

The IRS telephone number is 1-800-829-1040