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Unknown (Phone: 866-771-5840) reviews and customer experiences

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Unknown (Phone: 866-771-5840) Reviews

• Jun 23, 2026

Tax penalty letter with no company name just a phone number

I got this message saying my file was flagged for another review and there might be chances to help reduce some tax penalties and interest. It gave a phone number to call at 866-771-5840. No company name anywhere on it.

It said something about deadlines passing and options becoming limited. They wanted me to call to confirm details and update info they have on file. Just felt off, like they were trying to rush me into calling. I didn't lose any money but it seemed like a tax collection scam.

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