Review the various taxpayer identification numbers (TIN) the IRS uses to administer tax laws. Find the TIN you need and how to get it.

2025年1月20日 · Read on to find out where to look to get the individual TIN (Tax ID Number), SSN (Social Security Number), or business EIN (Employer Identification Number) that you need. Find a business EIN on business tax records, bank records, or licenses issued by the state or local government.

Get an EIN now, free, direct from the IRS. Fax Form SS-4, Application for Employer Identification Number to 855-641-6935. You’ll get your EIN in 4 business days. Mail Form SS-4 to Internal Revenue Service, Attn: EIN Operation, Cincinnati, OH 45999. You’ll get …

2025年1月23日 · Discover practical steps to locate your Tax ID Number using past documents, business records, and online resources for easy verification. Understanding where to locate your Tax ID Number (TIN) is essential for individuals and businesses, as it plays a critical role in tax filing and compliance.

2023年9月12日 · If you want to know what your taxpayer number (TIN) is, you will need to know whether you’re looking for your EIN, ITIN or SSN. Once you know this, you can find the number on documents from the IRS or SSA.

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 a.m. - 7 p.m. local time, Monday through Friday. An assistor will ask you for identifying information and provide the number to you over the telephone, as long as you are a person who is authorized to receive it.

2025年1月23日 · Discover practical steps to locate your Tax ID number efficiently using official notices, records, and agency contacts. Understanding where to locate your Tax Identification Number (TIN) is essential for compliance with tax obligations and facilitating financial transactions.