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Other nuisance callsHigh risk

03-6740-9843 phone number information

Basic Information

Number Type
Landline (03)
Region
Tokyo

Number overview

03-6740-9843 is used in a bogus-billing scam that poses as a fictitious support center and lures callbacks via SMS. The 03-6740-XXXX block appears to be operated by an organized scam group cycling through multiple numbers.

Reported tactics

  • The SMS reads, "The support center has an important matter to confirm"
  • The message creates urgency: "Please contact us today"
  • If you call back, you're billed for an unpaid charge on a paid site or a "cancellation fee"
  • The same group cycles through multiple numbers, including 03-6740-2592

Legitimate service providers don't pressure you with "contact us today" by SMS.

How to handle this

Ignore the SMS

Don't reply to unfamiliar SMS messages, and don't call back the number listed.

If you already called back

If you're asked for money, pay nothing and contact the police and your consumer affairs center immediately.

Where to report or get help

  • Police consultation line: #9110
  • Consumer Hotline: 188

Frequently Asked Questions

I got an SMS from 03-6740-9843. What should I do?

It's a bogus-billing scam. Don't reply or call back; delete the message.

I'm getting multiple SMS messages from numbers starting with 03-6740. Same operator?

A single scam group is likely cycling through multiple numbers. Ignore them all.

View and post reviews for this number

Go to reviews for 03-6740-9843

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