⚠ 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.
About this number
This number is classified as IRS Impersonator. Scammers use this number to impersonate banks, government agencies, or tech support. Caller ID can be spoofed, so the name on your screen may not be the real caller.
See other scams using the 877 area code.
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.
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What To Do
- 1.Hang up immediately. Do not engage with the caller.
- 2.Block the number on your phone.
- 3.Report it to the FTC at reportfraud.ftc.gov or call 1-877-382-4357.
- 4.If you gave financial information, contact your bank immediately.
- 5.Register on the Do Not Call Registry: donotcall.gov.