Sioux City Iowa IRS Office in Sioux, Iowa

This IRS Taxpayer Assistance Center provides by-appointment in-person help for taxpayers with federal tax account problems, identity theft, and payment plan needs. Sioux City Iowa IRS Office is located at 3539 Southern Hills Drive, Sioux, IA. Appointments are required — call 1-844-545-5640 to schedule — and bring all IRS notices, your photo ID, and Social Security card to your appointment.

About Sioux City Iowa IRS Office

The Sioux City Iowa IRS Office, located in Sioux, IA, is a local branch of the Internal Revenue Service (IRS) that acts as a Taxpayer Assistance Center (TAC). The IRS Office helps taxpayers understand and comply with the U.S. tax code, including filing federal income tax returns, paying business or self-employment tax, and receiving IRS tax refunds. The IRS operates as a bureau within the U.S. Department of the Treasury, acting as the nation's tax collection agency.

• Resolving IRS notices, levies, liens, and account discrepancies
• Identity theft affidavit filing and IP PIN (Identity Protection PIN) enrollment
• ITIN applications and renewals for non-Social Security taxpayers
• Setting up installment agreements and payment plan arrangements