IRS Letter 147C: EIN verification letter

Quick answerA letter from the IRS confirming a business's Employer Identification Number (EIN) and the legal name on file. Banks and vendors often ask for it if you lost the original EIN notice (CP575).

Letter / notice147C

MeaningEIN verification letter

Action needed?Yes — see steps

What happens next

You request it; the IRS can fax it the same day or mail it.

What you should do

Call the IRS Business & Specialty Tax Line at 800-829-4933 (Mon–Fri, 7am–7pm local time)
Have the business name, address and your authority to request it ready
Ask for it by fax to get it fastest

IRS Letter 147C explained: EIN verification letter — what it means and what to do next — Save this quick guide for later — share it or pin it.

Scam check: the IRS first contacts you by mail. Use only the phone numbers printed on your letter or on IRS.gov — never ones from a text, email or unofficial site.

Frequently asked questions

What does IRS Letter 147C mean?

A letter from the IRS confirming a business's Employer Identification Number (EIN) and the legal name on file. Banks and vendors often ask for it if you lost the original EIN notice (CP575).

What should I do?

Call the IRS Business & Specialty Tax Line at 800-829-4933 (Mon–Fri, 7am–7pm local time) Have the business name, address and your authority to request it ready Ask for it by fax to get it fastest

How long does it take?

You request it; the IRS can fax it the same day or mail it.

Sources

Written by the editorial team and checked against the official sources above. See our editorial policy.

By the TranscriptCodes Editorial Team · Last reviewed 2026-11-12.