857 area code spam & scam calls

Got a call from 857? The 857 area code covers Boston, MA. 864 spam and scam calls have been reported from 857 numbers, contributing to 81,434 fraud reports filed in Massachusetts ($210 million in losses).

857 reports in the last 7 / 30 / 90 days

Rolling community-report counts for 857 numbers, refreshed daily.

Cities served: Boston.

Top reported scam patterns from 857

• impostor scams
• investment fraud

Top 3 scam types tied to 857 (Massachusetts region)

1. impostor scams
2. investment fraud
3. credit bureau scams

Region patterns include statewide trends from the FTC Consumer Sentinel Network Data Book 2024 (81,434 reports, $210 million in losses across Massachusetts).

Related area codes

• 339 area code spam & scam calls — Boston Suburbs, MA
• 351 area code spam & scam calls — Northeast MA
• 413 area code spam & scam calls — Western MA (Springfield)
• 508 area code spam & scam calls — Worcester/Cape Cod, MA
• 617 area code spam & scam calls — Boston, MA
• 774 area code spam & scam calls — Worcester/Cape Cod, MA
• 303 area code spam & scam calls — Denver, CO
• 870 area code spam & scam calls — East/South AR
• 914 area code spam & scam calls — Westchester County, NY
• 877 area code spam & scam calls
• 720 area code spam & scam calls — Denver, CO
• 480 area code spam & scam calls — East Valley (Mesa, Scottsdale), AZ

What to do if a 857 number calls you

1. Don't answer unknown 857 numbers — let them go to voicemail.
2. If you answered, never confirm personal information or press numbers to "speak with an agent".
3. Block the number on your phone and report it at donotcall.gov.
4. File a complaint with the Massachusetts Attorney General Consumer Protection at https://www.mass.gov/orgs/consumer-advocacy-and-response-division.
5. Report federally to the FTC at reportfraud.ftc.gov.

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