Procedures

IRS office in Columbia, SC: hours, services and ITIN help

Name: IRS Taxpayer Assistance Centers by state (378 offices, 52 jurisdictions)
Creator: MigrantUSA
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IRS Taxpayer Assistance Center in Columbia, South Carolina: address, phone, hours and the services the IRS locator lists, plus ITIN document review and acceptance agents in Columbia.

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IRS office in Columbia, South Carolina

The IRS runs a Taxpayer Assistance Center (TAC) in Columbia, South Carolina. Everything on this page about the office comes from the IRS office locator (https://apps.irs.gov/tol/state/get/SC) and two IRS ITIN pages, read October 20, 2026.

IRS closure notice: the IRS locator’s notes for this office include “Office Closure: All Day 8/26/26 - 1/2/27” (month/day/year), a closure period that includes October 20, 2026, the date this page was read.

Office details from the IRS locator

Item	Detail
Office name in the IRS locator	Columbia
Address	1835 Assembly St., Columbia, SC 29201
Phone	(803) 312-7900
Hours listed	8:30am - 4:30pm
Appointment line (IRS, all TACs)	844-545-5640

The IRS page on in-person ITIN document review says IRS TACs operate by appointment and gives 844-545-5640 to schedule one; the IRS page on TACs with ITIN services adds: “It may take several weeks to get one.”

Notices the IRS posts for this office

The IRS locator shows these notes for Columbia (read October 20, 2026; dates are the IRS’s own, month/day/year):

“This location will be temporarily closed during the following times:”
“Lunch Closure: 12:00 pm - 1:00 pm (from 1/1/26 to 12/31/26).”
“Office Closure: All Day 8/26/26 - 1/2/27.”

Services the IRS locator lists for Columbia

The IRS office locator shows this list for the office:

Account inquiries
Basic individual tax law assistance
Check or money order payments
Departing alien clearances
Form 911, Request for Taxpayer Advocate Service Assistance
Form 2290, Heavy Highway Vehicle Use Tax Return
Identity Protection Personal Identification Number Request
Individual Taxpayer Identification Numbers and Form W-7 (More Information)
Payment arrangements
Tax forms
*Does not accept cash payments

ITIN (Form W-7) help at this office

In-person ITIN document review: the IRS page IRS Taxpayer Assistance Centers providing in-person ITIN document review (marked “Page Last Reviewed or Updated: 24-Aug-2026”) names Columbia in its South Carolina list. The IRS says TAC employees can review original documents and certified copies from the issuing agencies required to apply for and renew ITINs, for primary and secondary applicants and their dependents, and that the documents are returned at the end of the appointment.
IRS list of TACs with ITIN services: the IRS page IRS Taxpayer Assistance Centers with ITIN services (marked “Page Last Reviewed or Updated: 25-Mar-2026”) lists Columbia under South Carolina. The IRS says a TAC with ITIN services can review a completed Form W-7, authenticate most supporting documents, return authenticated documents at the end of the appointment and mail the ITIN application package. Its footnote adds: “Taxpayer Assistance Centers can authenticate all documents for ITIN applicants who appear in person, except for school and medical records for dependents. These must be mailed with the ITIN application package.”
Locator service list: includes “Individual Taxpayer Identification Numbers and Form W-7” for this office.

IRS-listed acceptance agents with an address in Columbia

The IRS acceptance-agent list for South Carolina (acceptance agents - South Carolina, read October 20, 2026) shows 8 agents with a Columbia address: 7 certifying acceptance agents and 1 acceptance agent (the IRS marks acceptance agents with an asterisk).

The IRS acceptance agent program page compares the two: a certifying acceptance agent helps complete Form W-7, authenticates supporting documents (except foreign military ID cards and any documents for dependents that aren’t passports and birth certificates) and returns them immediately; an acceptance agent helps complete Form W-7 and reviews and mails supporting documents. “Fees for service may vary,” the IRS says. Agents are private businesses; this site has no tie to any of them and earns nothing from this list.

Ada Amarilis Arriaga Guevara — Certifying acceptance agent. 639 Folkstone Road, Columbia, SC 29223 · 803-865-5000
Canaan Multi Service LLC — d/b/a Canaan Multiservice LLC — Certifying acceptance agent. 41 Ginkgo Court, Columbia, SC 29229 · 839-292-3437
Cloud9 Services LLC — Acceptance agent (marked * on the IRS list). 6326 Street Andrews Road, Suite 201, Columbia, SC 29212 · 803-260-9626
Guess Whos Tax Service — d/b/a Guess Whos Taxes and Consulting LLC — Certifying acceptance agent. 8 Moody View Court, Columbia, SC 29223 · 803-673-0177
HRB Tax Group Inc — Certifying acceptance agent. 105 Afton Court, Suite B, Columbia, SC 29212 · 803-781-1039
Pacific Accounting Service LLC — Certifying acceptance agent. 7101 Parklane Road, Suite B, Columbia, SC 29223 · 678-557-7304
Robert A Keisler CPA PA — Certifying acceptance agent. 1492D Lake Murray Boulevard, Columbia, SC 29212 · 803-749-9293
Torres Accounting & Tax Services LLC — Certifying acceptance agent. 1004 Cermack Street, Columbia, SC 29223 · 803-846-3700

Other IRS offices in South Carolina on this site

Greenville

All IRS offices in South Carolina — every Taxpayer Assistance Center in the state
ITIN — individual taxpayer ID without SSN
Free tax prep (VITA + TCE) in South Carolina

Last verified: 2026-10-20. Office details are the IRS locator’s own values on the date read; the IRS can change hours and close offices on short notice. General procedural information — not legal or tax advice.

Frequently asked questions

What are the hours of the IRS office in Columbia?

The IRS office locator lists 8:30am - 4:30pm for the Columbia Taxpayer Assistance Center (read October 20, 2026). The IRS says its Taxpayer Assistance Centers operate by appointment and gives 844-545-5640 as the number to schedule one. The locator also posts these notes for the office (month/day/year): ‘This location will be temporarily closed during the following times:’ ‘Lunch Closure: 12:00 pm - 1:00 pm (from 1/1/26 to 12/31/26).’ ‘Office Closure: All Day 8/26/26 - 1/2/27.’

Does the Columbia IRS office review ITIN documents in person?

Yes. The IRS page listing Taxpayer Assistance Centers that provide in-person ITIN document review (marked ‘Page Last Reviewed or Updated: 24-Aug-2026’; read October 20, 2026) names Columbia under South Carolina. The IRS says TAC employees can review original documents and certified copies from the issuing agencies, and the documents are returned at the end of the appointment. The IRS locator’s notes for this office list ‘Office Closure: All Day 8/26/26 - 1/2/27’, a closure period that includes October 20, 2026, the date this page was read.

Are there IRS acceptance agents in Columbia?

The IRS acceptance-agent list for South Carolina (read October 20, 2026) shows 8 agents with a Columbia address: 7 certifying acceptance agents and 1 acceptance agent marked with an asterisk. The IRS acceptance agent program page says a certifying acceptance agent authenticates supporting documents, except foreign military ID cards and any documents for dependents that aren’t passports and birth certificates; an acceptance agent reviews and mails supporting documents. Fees for service may vary, the IRS says.

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General information, not legal advice. MigrantUSA is an independent publisher and is not a law firm; using this site does not create an attorney-client relationship, and this content is not a substitute for advice from a licensed attorney about your specific situation. US federal, state, and local government procedures, fees, and forms change. Always verify current details directly with the relevant agency before acting. For immigration, tax, or other legal matters specific to your situation, consult a licensed attorney or BIA-accredited representative.