IRS offices in Mississippi

The IRS operates Taxpayer Assistance Centers (TACs) for in-person tax services. Mississippi has 6 TACs.

TACs handle:

  • ITIN applications (Form W-7) — many TACs are designated as Certifying Acceptance Agents
  • Identity verification for tax returns
  • Account problems and balance-due payments
  • Tax law questions (limited; most are routed to phone or IRS.gov)
  • Tax form pickup (walk-in for forms only)
  • Prior-year returns assistance

⚠️ All TAC visits require an appointment. Call the local office below OR the IRS appointment line at 844-545-5640.

IRS Taxpayer Assistance Centers in Mississippi

6 IRS TACs listed for Mississippi. TACs handle in-person tax services including ITIN applications (Form W-7), identity verification, account problems, and tax-return assistance for prior years.

OfficeAddressPhoneHours
Columbus2209 Fifth St. N., Columbus, MS 39705(662) 328-69578:30am - 4:30pm
Greenville619 Washington Ave., Greenville, MS 38701(662) 344-65878:30am - 4:30pm
Gulfport11309 Old Highway 49, Gulfport, MS 39503(228) 831-33208:30am - 4:30pm
HattiesburgWilliam Colmer Fed Bldg, 701 N. Main St., Hattiesburg, MS 39401(601) 264-79918:30am - 4:30pm
Jackson100 W. Capital St., Jackson, MS 39269(601) 292-47118:30am - 4:30pm
Tupelo111 E. Troy St., Suite A, Tupelo, MS 38804(662) 842-58708:30am - 4:30pm

How to schedule an IRS TAC appointment in Mississippi

  1. Choose the office most convenient for you above
  2. Call the office number OR the central appointment line: 844-545-5640
  3. Explain the reason for your visit (W-7 ITIN, identity verification, etc.)
  4. Schedule 2-4 weeks in advance during peak tax season (Jan-Apr)
  5. Confirm what original documents you must bring

Last verified: 2026-09-01. Source: IRS Taxpayer Assistance Center directory. General procedural information — not legal or tax advice. Always verify office hours and services before traveling.

Recent IRS appointment and ITIN context (2025-2026)

Key lines stay here: TACs are appointment-only at 844-545-5640; the ITIN application itself has no IRS fee; free VITA tax preparation is at 1-800-906-9887. The national context for IRS appointments, ITIN processing times, VITA free tax preparation and the Child Tax Credit rules is maintained once, on the IRS offices by state hub, so it stays current for every state.