Back to Scam Numbers

⚠ Verified Scam Number

Do not call this number back. Do not provide personal information, bank details, or gift cards. Hang up immediately if you receive a call from this number.

877-580-4884

Scam Phone Number

Spoofed Caller ID / Name

IRS TAX REVIEW UNIT / OLIVIA

Scam Category

IRS Impersonator

Scammer Script / Description

'Olivia' calls from different numbers claiming to be with the Tax Review Unit. Same script as 888-919-5368 network — unpaid/unfiled taxes, IRS resolution plans. Also calls from 414-437-5641. Reported Jul 2025 on 800notes.

Have you been contacted by 877-580-4884?

Share your experience (anonymously). Your submission will be reviewed before being shown.

0 / 2000

What To Do

  1. 1.Hang up immediately. Do not engage with the caller.
  2. 2.Block the number on your phone.
  3. 3.Report it to the FTC at reportfraud.ftc.gov or call 1-877-382-4357.
  4. 4.If you gave financial information, contact your bank immediately.
  5. 5.Register on the Do Not Call Registry: donotcall.gov.
All Numbers Report a Charge