IRS Taxpayer Assistance Center – Hartford, CT

IRS Taxpayer Assistance Center

The Internal Revenue Service (IRS) Taxpayer Assistance Center (TAC) in Hartford is located at 135 High Street in the William R. Cotter Federal Building. This facility provides in-person assistance for tax issues that cannot be resolved online or over the phone. Important: All visits to this office are by appointment only. Taxpayers must call 844-545-5640 to schedule a time. This center does not prepare tax returns; instead, it focuses on administrative resolutions and identity verification.

Services Provided

• Identity Verification: In-person proof of identity for tax return processing (often required after receiving a 5071C letter).
• Account Adjustments: Assistance with inquiries regarding tax accounts, payments, and procedural questions.
• Payments: Acceptance of check or money order payments (cash is typically not accepted or requires exact change with strict limitations).
• ITIN: Processing of Individual Taxpayer Identification Number (ITIN) applications.

Security and Entry

Visitors are subject to airport-style security screening. Valid government-issued photo identification is mandatory for entry and for receiving service. Prohibited items include weapons of any kind, excessive bags, and food/drink. Cell phones may be brought in but must be turned off or silenced during your appointment. Parking is limited near the federal building; public garages or metered street parking are the best options.