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IRS Tax Practitioner Service

IRS Taxpayer Advocate Service

  • phone: 1- (877) 777-4778
  • 1114 Commerce St., MC1005DAL, Dallas, TX 75242 - phone: (214) 413-6500
  • fax the Form 911 to: (214) 413-6594

IRS Assistance Centers

  • 1100 Commerce St., Rm 121, Dallas, TX 75242 - phone: (214) 413-6010
  • 4050 Alpha Rd., Rm 170, Farmers Branch, TX 75244 - phone: (214) 413-6010
  • 819 Taylor St., Rm 6A14, Ft. Worth, TX 76102 - phone: (817) 978-3477

IRS Mailing Addresses

  • not enclosing a payment:
    Department of the Treasury 
    Internal Revenue Service 
    Austin, TX 73301-0002
  • with a check; write on payee line “Department of the Treasury”:
    Internal Revenue Service 
    P.O. Box 1214 
    Charlotte, NC 28201-1214
  • extension on paper form 4868 w/o payment:
    Department of the Treasury 
    Internal Revenue Service Center 
    Austin, TX 73301-0045
  • amended return; attach copies of tax documents with withholdings:
    Department of the Treasury 
    Internal Revenue Service 
    Austin, TX 73301-0052

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