Internal Revenue Customer Service

Are you a business or corporate tax customer?

Welcome to DOR's contact us page. We are currently experiencing a high volume of calls and encourage you to utilize our online services.

Internal Revenue Customer Service Phone Number

If you received an individual income tax bill, you can pay your bill in full online with DORpay.

If assistance is needed with a business or corporate tax account, contact DOR using INTIME to submit a question or get your issue resolved easily and efficiently. Once you are logged in, get started with INTIME messaging by selecting the “All Actions” tab followed by clicking on the “Messages” section.

366 reviews from Internal Revenue Service employees about working as a Customer Service Representative at Internal Revenue Service. Learn about Internal Revenue Service culture, salaries, benefits, work-life balance, management, job security, and more. Customer Service Numbers The NCDOR is committed to quality customer service. Contact us by phone, mail, or in person. Answers to most general tax questions may be found on our web site. Taxpayer Advocate Service. Report Tax Fraud. International IRS Offices. Where to File Paper Tax Returns. Local Offices: Find a Taxpayer Assistance Center Near You. Main Address: 1111 Constitution Ave., NW Washington, DC 20224. Phone Number: 1-202-622-5000. Toll Free: 1-800-829-1040. TTY: 1-800-829-4059. Forms: Internal Revenue Service Forms. . Call your local Taxpayer Advocate Service: Austin: 512-499-5875; Dallas: 214-413-6500; Houston: 713-209-3660; If you are outside Texas, call 877-777-4778; See Publication 1546, The Taxpayer Advocate Service of the IRS PDF; For more information, see Tax Topic 104. Partner with Us to Help Taxpayers.

Need to visit a DOR office? Appointments are highly recommended to reduce your wait time.

83282797418328179737832837977183284809728328583293

Find contact information for DOR district offices.

Find contact phone numbers for DOR by tax type.

Find information on how to contact DOR by email and mail.

Find contact information for the Motor Carrier Services Division (MCS).

Internal Revenue Customer Service 800 Number

Send Secure Messaging through INTIME for business and corporate customers.