Tax Helpline
By selecting Federal or States from drop down list below you get following information for each state:

Track Your Refund
You can generally access information about your refund 6-7 days after IRS acknowledges receipt of your e-filed return, or three to four weeks after mailing a paper return.

Have a copy of your tax return handy. You will need to provide the following information from your return:

View Federal Refund Status
Pay Federal Tax Dues online
Telephone Assistance for Individuals 1800-829-1040
International Taxpayer Service Call Center  267-941-1000 (not toll-free)

View State Refund Status here