The IRS Web site (www.irs.gov) contains forms, worksheets and publications you need to complete your tax returns. It also contains advice, FAQs, and new and changing tax laws. There are also links and information for your state taxes and online tools and calculators.
The IRS Web site is a great resource for all your income tax questions, but if you need to contact the IRS or you wish to pay your tax by phone, here are some important numbers.
Customer Service
800-829-1040
Lost IRS Check
800-829-1954
Pay Tax by Credit Card
800-UPAY-TAX™
or 888-PAY-1040™ or 888-9-PAY-TAX™
Refund Status
800-829-4477
… and our number
317-984-7666