No matter how you spell it, If you need to contact the IRS, their main phone number is:

IRS Toll Free Main Number: 1-800-829-1040



this is the main number you can call, they are open monday-friday only and i think they close at 5pm pacific time.

WHY DO YOU NEED THE IRS NUMBER?


Check Refund Status

Please answer the following questions to confirm you are ready to receive your refund status. Answer the following questions to find out why your refund is late.