Closing an EIN Number
To close your business IRS account, write to the IRS office in Cincinnati and explain why. Include the complete legal business name, EIN, and address. If you have the EIN confirmation letter, include it.
To confirm an EIN cancellation, the IRS sends a letter within 45 days confirming they received the cancellation letter.
Permanent Employer ID Number
Once an EIN is assigned to a business, it becomes the permanent federal taxpayer ID number. The IRS never reuses or reassigns EINs. Even if never used for taxes or documents, the IRS can’t cancel it.
Using the EIN Number
The IRS’ Business & Specialty Tax Line is accessible at 1-800-829-4933 from 7:00 A.M. to 7:00 P.M. (local time) Monday through Friday. Simply call the number and tell the representative you need your EIN.
An Employer Identification Number (EIN) is a unique identification number that the IRS uses to track your business filings and taxes. The EIN may also be used by other federal and state agencies to identify your business. Several types of businesses are legally required to have an EIN.
Lost EIN Number
What do I do if I lost my EIN number? Ask the IRS to search for your EIN by calling the Business & Specialty Tax Line at 800-829-4933. The hours of operation are 7:00 a.m. – 7:00 p.m. local time, Monday through Friday.
An employer identification number — also known as an EIN or business tax ID — is a unique nine-digit number that you use when filing taxes for your business. An EIN also helps you register a business entity, obtain a business loan, open a business bank account and much more.