IRS Taxpayer Assistance Centers — by state

All 378 IRS Taxpayer Assistance Centers across 52 states + DC + PR. TACs handle in-person tax services including ITIN applications (Form W-7). Most operate

378 IRS Taxpayer Assistance Centers pinned. By appointment; some authenticate documents for the ITIN (W-7). Click a marker for address, phone, and hours. Tiles © OpenStreetMap.

IRS Taxpayer Assistance Centers — by state

All 378 IRS Taxpayer Assistance Centers across 52 states + DC + PR. TACs handle in-person tax services including ITIN applications (Form W-7). Most operate by appointment only — schedule at 844-545-5640.

Browse by state


Last verified: 2026-05-27.