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Please note: These support services are for Tax9er.com customers and prospective customers only. Tax9er.com provides online Tax ID Number services (Form SS-4) for new business owners. We are not the IRS. If you wish to contact IRS regarding a previously issued Tax ID Number, their number is 1-800-829-4933. If you have general tax questions for IRS, their main number is 1-800-829-1040.
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