IRS EIN Phone Call — Cheat Sheet

Error 101 (name conflict) blocked the online application. The IRS issues the EIN over the phone instead.

Call: 800-829-4933 — Business & Specialty Tax Line Hours: Monday–Friday, 7:00am–7:00pm ET Tip: call early in the morning for the shortest hold.

What to say

"My online EIN application was rejected with Reference Error 101 — a name conflict with an inactive 2009 entity. I'd like to complete the application and receive the EIN by phone."

Have ready

Your SSN (they'll verify your identity with it)
Legal name: Alexander Koo
Entity: Agora Ventures LLC — single-member LLC, Florida
Your role: sole member / responsible party
Business start: September 2026
Address: 616 Widow Bartley Dr, Orlando, FL 32828 (Orange County)
Phone: 407-579-9855
Reason for applying: started a new business
Principal activity: holding company
Employees expected: none; no excise-tax (Form 720), gambling, or alcohol/tobacco/firearms activity

On the call

Write down the EIN the moment they give it — then tell Muse so it's recorded.
Ask how the confirmation letter (CP 575) will arrive.
Typical call: 15–30 minutes including hold time.

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