Trending Phone Numbers
Detailed information about phone numbers that are currently trending.
Suspected illicit-job recruitment
Fiber-line sales
About the toll-free number 0800-777-9017. Widely reported as a sales call pushing a switch to a different fiber-line provider.
About the toll-free number 0800-500-0291. Reported as a sales call promoting a switch to a different fiber-line service.
About the toll-free number 0800-300-2449. Reported as a solicitation call from a fiber-line reseller.
About the toll-free number 0800-300-9536. Reported as a solicitation call from a fiber-line reseller.
About the toll-free number 0120-993-979. Reported as a sales call promoting a fiber-line switch.
About the toll-free number 0800-500-7333. Reported as a sales call promoting an internet-line switch.
About the IP phone number 050-3147-5542. Reported as a sales call promoting a fiber-line switch.
About the toll-free number 0800-500-9856. Reported as a fiber-line sales call.
About the toll-free number 0800-300-0336. Reported as a fiber-line sales call.
A number with many complaints filed about aggressive fiber-line sales calls. Some users report that calls still get through even with suspicious-number blocking enabled.
A nuisance call posing as a "Fiber-Line Support Center" with many complaints. The caller pushes a line switch aggressively.
A number with many complaints about a predatory operator that pretends to be commissioned by NTT and aggressively pushes a fiber-line switch. Unrelated to the real NTT.
A predatory fiber-line sales number introducing itself as "Fact," an NTT East agency, and trying to extract head-office contacts and contact-person names.
A self-styled agency conducting predatory and unlawful fiber-line-switch sales. The number ranks high in weekly access rankings. Reports include proceeding with procedures without consent.
A fiber-line sales call reported as fanning anxiety with "your current line is slow" and aggressively pushing a line switch.
A fiber-line sales call reported as based in Osaka and placing calls nationwide to push aggressive line switches.
A fiber-line sales call. The same group as 0800-222-8275 may be cycling through multiple numbers.
A scam call reported as impersonating "KDDI Support Center" and pushing internet-line switches under modem-replacement and discount pretexts. 66 reviews.
Used-car buying sales
About the toll-free number 0120-197-319. Reported as a sales call related to used-car buying.
About the toll-free number 0120-699-292. Reported as a sales call related to used-car buying.
About the toll-free number 0120-416-999. Reported as a sales call from a buying service.
A sales call reported as a used-car buying-appraisal pitch that pressures victims into accepting lowball offers. Personal information may have leaked via bulk-quote sites.
A sales call reported as introducing itself as "Jingumae Properties Inc." and aggressively pushing real-estate sales.
Sales disguised as electricity-rate survey
About the toll-free number 0120-829-571. Widely reported as a sales call disguised as an electricity-rate survey.
About the toll-free number 0800-888-6380. Reported as an automated-voice survey disguised as an electricity-rate survey.
About the toll-free number 0800-111-7302. Reported as an automated-voice survey impersonating a power company.
About the toll-free number 0120-958-930. Reported as a sales call disguised as an electricity-rate survey.
About the toll-free number 0800-300-7022. Reported as an automated-voice survey disguised as an electricity-rate survey.
A number reported as an aggressive sales call posing as "Energy Support" and using a fake "switchboard inspection" pretext to push an in-home visit.
A number reported as a suspicious sales call that uses an "electricity meter reading" pretext to demand a home visit. Possible links to illicit-job recruitment have been raised.
A scam call reported as impersonating Tokyo Gas and using a gas-appliance inspection as a pretext to demand a home visit. Not a legitimate Tokyo Gas number.
A predatory sales call introducing itself as "Lead" and pretending to be commissioned by a manufacturer to inspect the PBX (main phone-system unit).
A suspicious operator that visits homes without an appointment to "inspect EcoCute hot-water systems." Manufacturer confirmed they are unrelated.
Sales impersonating power companies
About the toll-free number 0120-762-840. Reported as a sales call impersonating TEPCO.
About the toll-free number 0120-764-027. Reported as a sales call impersonating a power company.
About the toll-free number 0800-111-4406. Reported as an automated-voice survey impersonating a power company.
About the IP phone number 050-3125-0677. Reported as a sales call impersonating a power company.
About the toll-free number 0800-170-2530. Reported as a sales call impersonating a power company.
A number widely reported as a scam call in which the caller poses as Tokyo Gas and pressures payment of an "overdue electricity bill." Unrelated to the real Tokyo Gas.
A number widely reported as a fake call impersonating a power company. The one-ring technique is used to lure callbacks.
A number reported as a sales call posing as Kansai Electric Power, using rising electricity rates as a pretext to ask for bill details. Unrelated to the real Kansai Electric Power.
A number reported as a sales call that claims to act on behalf of Kyushu Electric Power and persistently asks to be put through to a company representative. Not a legitimate Kyushu Electric Power referral.
An automated-voice survey call posing as a power company. Answering the survey leads to follow-up sales calls about switching to a new electricity provider.
A fake-power-company automated-voice survey number. The hallmark is impersonating a power company from a mobile-phone number.
A heavily reported scam number that impersonates an electricity service and texts "if payment is not made within 3 days, power will be cut."
Automated-voice survey
About the IP phone number 050-3117-3636. Reported as an automated-voice survey related to subsidies.
About the IP phone number 050-5804-1533. Reported as an automated-voice sales call.
A number reported as an automated-voice survey posing as a fake power-company or rental-housing survey. Calls have been observed even on public holidays.
A number reported as an automated-voice call posing as an election survey that asks you to enter your postal code. Possible personal-data harvesting.
Safe number
The Yamato Transport service center phone number. Used for redelivery requests and pickup bookings.
The Sagawa Express shipment-inquiry phone number. Used for redelivery requests and delivery-status checks.
The Japan Post redelivery-booking phone number. Used to request redelivery for Yu-Pack and registered mail.
The Sumitomo Mitsui Card inquiry phone number. Used for transaction confirmation calls and fraud-detection notices.
The JCB Card inquiry phone number. Used for transaction confirmation and various account procedures.
The NTT East inquiry phone number. Used for various procedures related to phone lines and FLET'S Hikari.
The NTT West inquiry phone number. Used for various procedures related to phone lines and FLET'S Hikari.
The Amazon Customer Service phone number. Used for inquiries about orders and deliveries.
The Rakuten Card contact-center phone number. Used for transaction confirmation and various account procedures.
The TEPCO Energy Partner customer-center phone number. Used for inquiries about electricity contracts and rates.
The KDDI (au) customer-center phone number. Used for inquiries about mobile phones and telecommunications services.
The SoftBank customer-support phone number. Used for inquiries about mobile-phone contracts and billing.
The NTT Docomo information-center phone number. Used for inquiries about mobile-phone contracts and billing.
A phone number for inquiries about National Pension premiums. Operated by the Japan Pension Service.
A general inquiry phone number for national taxes. A tax-consultation desk operated by the National Tax Agency.
The MUFG Bank call-center phone number. Used for inquiries about accounts and transactions.
The Mizuho Bank call-center phone number. Used for inquiries about accounts and transactions.
The Sumitomo Mitsui Banking Corporation call-center phone number. Used for inquiries about accounts and transactions.
The Aflac Life Insurance call-center phone number. Used for inquiries about insurance policies.
The Japan Post Bank call-center phone number. Used for inquiries about deposits and remittances.
The NHK Fureai Center phone number. Used for inquiries about reception fees. Frequently searched, but it is a legitimate number.
The AEON Credit Service phone number. Frequently searched for card usage confirmation calls, but it is a legitimate number.
The Mercari customer-service phone number. A legitimate number used for inquiries about transactions.
The Tokyo Gas customer-center phone number. A legitimate number used for inquiries about gas contracts and rates.
The Osaka Gas customer-center phone number. A legitimate number used for inquiries about gas contracts and rates.
The Nippon Life Insurance call-center phone number. A legitimate number used for inquiries about insurance policies.
The Yamada Denki call-center phone number. A legitimate number used for inquiries about purchases and repairs.
The My Number General Hotline phone number. A legitimate number used for inquiries about My Number Cards.
The Tokio Marine & Nichido Fire Insurance call-center phone number. A legitimate number used for inquiries about insurance policies.
The ENEOS Denki customer-center phone number. A legitimate number used for inquiries about electricity contracts and rates.
A National Health Insurance inquiry phone number. A legitimate desk operated by the Ministry of Health, Labour and Welfare. Frequently searched, but it is a safe number.
The SBI Securities customer-service phone number. A legitimate number used for inquiries about brokerage accounts.
The ANA (All Nippon Airways) reservation and information-center phone number. A legitimate number used for airline-ticket reservations and changes.
The JAL (Japan Airlines) reservation and information-center phone number. A legitimate number used for airline-ticket reservations and changes.
The Sompo Japan customer-center phone number. A legitimate number used for inquiries about insurance policies.
The Resona Bank call-center phone number. A legitimate number used for inquiries about accounts and transactions.
The Kansai Electric Power call-center phone number. A legitimate number used for inquiries about electricity contracts and rates.
The Nitori customer-consultation desk phone number. A legitimate number used for inquiries about purchases and deliveries.
The Sony Sonpo customer-center phone number. A legitimate number used for inquiries about auto insurance.
The View Card (JR East) call-center phone number. A legitimate number used for card usage-confirmation calls.
Other nuisance calls
About the toll-free number 0120-427-611. Reported as an energy-related sales call.
About the toll-free number 0800-300-3052. Reported as a sales call from a mail-order operator.
About the toll-free number 0120-984-344. Reported as a sales call for unwanted-item pickup and telecom-plan changes.
About the toll-free number 0120-384-021. Reported as a sales call.
About the toll-free number 0120-502-865. Reported as a sales call.
About the toll-free number 0120-353-134. Reported as a sales call.
About the toll-free number 0120-923-342. Reported as a sales call.
About the Tokyo landline 03-4579-5608. Reported as a suspicious call.
About the Tokyo landline 03-5382-3122. Reported as a sales call.
About the Tokyo landline 03-6633-4839. Reported as a sales call.
About the Tokyo landline 03-6261-8825. Reported as a sales call.
About the IP phone number 050-3032-5038. Reported as a suspicious call.
About the IP phone number 050-3097-9500. Reported as a suspicious call.
About the IP phone number 050-5810-7314. Reported as a suspicious call.
About the Tokyo landline 03-6853-6075. Reported as a sales call.
About the Tokyo landline 03-5298-7982. Reported as a sales call.
About the toll-free number 0120-921-507. Reported as a sales call.
About the IP phone number 050-3128-4291. Reported as a suspicious call.
About the Tokyo landline 03-5631-9646. Reported as a sales call.
About the Tokyo landline 03-5407-0637. Reported as a sales call.
About the Tokyo landline 03-6625-2600. Reported as a sales call.
About the Osaka landline 06-4969-0562. Reported as a sales call.
About the Ibaraki (Mito) landline 029-284-3863. Reported as a sales call.
About the IP phone number 050-3131-1222. Suspicious use has been reported.
About the Tokyo landline 03-6261-4195. Reported as a suspicious call.
A number reported as a scam call in which the caller poses as SBI Securities and pitches an "AI trading" presentation. Unrelated to SBI Securities.
A bogus-billing scam number that sends SMS messages claiming "the support center has an important matter to confirm" to lure you into calling back.
A number reported as a persistent sales call posing as a regional Asahi Shimbun office, with calls repeating even after the recipient blocks the number.
A number reported as an aggressive real-estate-investment sales call. The caller talks one-sidedly and won't stop unless you hang up.
A number reported as belonging to a predatory illegal lender. Many victims report aggressive collection calls placed to their workplaces.
A number reported as a scam call impersonating SoftBank. After checking with a SoftBank-operated store, recipients have confirmed it is not a legitimate number.
A number reported in a phishing scam that sends fake SMS messages claiming "fraudulent card use detected" while impersonating Mizuho Bank.
A number reported as a "push-buying" operator that uses precious-metal or unwanted-goods buying as a pretext to force a home visit.
A number reported as a real-estate-related sales call introducing itself as "Cawl." Cases where an automated voice plays and then disconnects have been observed.
A number reported as a nuisance call introducing itself as a "Management Center." Cases where music plays and the call simply disconnects have been observed.
A number reported in a phishing scam that impersonates PayPay by sending fake SMS messages claiming "payments restricted due to a failed direct debit."
A number reported in a phishing scam that impersonates Amazon by sending fake SMS messages claiming "an unusual transaction has been detected."
A number linked to a phishing scam impersonating Eki-Net by sending fake emails or SMS messages claiming "your card cannot be used; verify your registration."
A phone number reported as belonging to a predatory operator that pretends to buy unwanted goods but actually pressures owners to sell precious metals at lowball prices.
A number reported as a sales call disguised as a PBX (main phone-system unit) inspection. The caller has been observed flying into a temper when refused.
A number reported as mail-order and beauty-product solicitation calls introducing themselves as "Bisento." Personal information from past purchasers may be shared among operators.
A number reported as new-graduate recruiting sales calls introducing themselves as "Neo Career." The hallmark is persistence: they keep calling even after being refused.
A number reported as a predatory sales call introducing itself as "Netamoto" and pretending there's an existing email exchange to demand a transfer to the company's president.
A number reported as real-estate-investment sales calls introducing themselves as "Presance Next." Calls keep coming even after being refused.
A phone number reported as belonging to a predatory web-development operator introducing itself as "Bizlista." Frequent post-contract disputes have led to discussions of class-action litigation.
A number reported as a suspicious call posing as TikTok Shop. The tactic uses social-media branding to collect personal information and lure victims into fake-product sales or investment scams.
A number reported as a scam call introducing itself as "Sumitomo Mitsui Card Ebisu Center" and pitching life insurance. Unrelated to the real card company.
A bogus-billing scam number that poses as a fictitious support center and lures callbacks via SMS messages claiming "an important matter to confirm."
A number reported as a scam call posing as the National Tax Agency or a tax office, threatening "you have unpaid taxes" and "we'll proceed with seizure."
A nuisance-call number reported as repeatedly demanding payment for already-paid pension premiums. Calls have been observed during nighttime hours.
A number reported as a scam call introducing itself as "NHK Fureai Center" and demanding payment of overdue reception fees. Not a legitimate NHK number.
A number with multiple victim reports of an operator that builds plausible-sounding trust before pivoting to fraud. The pitch uses skilled talk to extract personal information or money.
A phishing-scam number reported as sending fake SMS messages impersonating SMBC that claim "your account is restricted" and lead to a fake login site.
A number reported as a nuisance call introducing itself as a politician's support office and asking voters for support during election periods.
A scam call introducing itself as "Eisupport" - a name that's easily confused with au Support over the phone - to extract personal information. Unrelated to the real au.
A scam call reported as posing as a "law firm" and demanding payment of bogus debts. The firm itself may not exist.
A nuisance-call number reported as introducing itself as "Liyl Inc." and selling website builds and SEO services. Aggressive contract pressure has drawn complaints.
A suspicious call introducing itself only as a "general center." It avoids stating a specific purpose and tries to extract personal information.
A nuisance call introducing itself as a "Life Support Center" and pitching electricity-provider switches or insurance. The name does not refer to any real organization.
A precursor call for special fraud reported as someone impersonating a police officer. The very fact that "police" are calling from a mobile number is itself proof of a scam.
A predatory sales call introducing itself as "DYM" and faking an existing business-partnership relationship to demand a transfer to the company's president.
A phishing-scam number reported as sending fake SMS messages impersonating PayPay claiming "your post-pay payment deadline has passed."
A suspicious mobile number ranking high in the mobile section of phone-number lookup sites. May be used in multiple scam activities.
The number ranked #1 (43 reviews) in the mobile-phone review ranking. Many reports describe scams and nuisance calls using its easy-to-remember pattern.
A suspicious number ranking high in the mobile-phone access rankings. Suspected links to tech-support scams impersonating Apple or Microsoft.
A scam call reported as impersonating SoftBank to pitch rate-plan reviews or new services. Not a legitimate SoftBank number.
Reported as a scam-call group impersonating SoftBank. The same group as 0800-080-3390 may be cycling through multiple numbers.
A predatory sales call that uses fictitious branch names and dials former employees to extract internal company information.
A scam call reported as impersonating Rakuten Card and using a "security verification" pretext to extract PINs and card details.
A predatory sales call reported as introducing itself as the "Telemarker Group" and using a PC security test as a pretext to demand a home visit.
A predatory sales call reported as falsely claiming "we previously spoke with your president" to obtain a transfer.
A suspicious number ranked #2 in landline access rankings (about 770,000 lookups). Uses Fukuoka City's area code and is involved in large-scale nuisance-call activity.
A suspicious sales-call number based in Osaka. Reported as collecting company information under the pretext of M&A brokerage and business succession.
A predatory sales call introducing itself as "Nihon Shisetsu Bokai" and using building seismic diagnostics or disaster-prevention equipment inspections as a pretext to push high-cost contracts.
A sales call introducing itself as "Amazon Business" and pitching the opening of a corporate account. May not be a legitimate Amazon outreach.
A scam call reported as impersonating KDDI (au) to extract personal information under the disguise of a rate-plan review or new-service introduction.
A scam number reported as impersonating freight companies by sending detailed shipping-request SMS messages. The detail is designed to make the message look genuine.
A scam call reported as impersonating Nomura Securities and pitching investments by claiming "subsidies are now available." Unrelated to the real Nomura Securities.
A predatory sales call reported as introducing itself as "Prestige Inc." and using personal data the recipient never shared to fake an existing relationship.
A suspicious sales call introducing itself as the job-search site "Baitoru" and asking to be transferred to a recruiting contact. The caller hangs up if asked the specific purpose.
A predatory call introducing itself as "Biz Platform" and trying to peel businesses away from their existing tax-accountant or labor consultant.
A number reported as being used to relay two-factor authentication codes. Suspected of being misused to relay codes stolen via phishing.
A number ranked high in the IP-phone access rankings as a "scam notice" report. Used for bogus billing and personal-data theft.
A nuisance sales call reported as introducing itself as "Sekken Inc." The hallmark is persistent re-dialing despite refusal.
A scam number reported as impersonating Yokohama City's living-support coupon and sending fake SMS messages saying "your flat-rate benefit application is due today."
A phishing-scam number reported as sending fake SMS messages impersonating PayPay claiming "please re-pay due to failed direct debit."
A scam number that uses SMS to lure callers to a fictitious support center (03-6740-5158). An organized scam combining multiple numbers.
A scam number that texts "your PayPay payment failed due to insufficient balance" to lure taps. A click-bait phishing scam.
A number reported as sending PayPay-themed scam SMS messages to lure taps to a fake site. Adjacent numbers also have fake-police-officer scam reports.
A suspicious phone number introducing itself as the "General Incorporated Foundation Special Fraud Eradication Promotion Organization." Uses a fictitious organization name to fake credibility.
A scam call reported as impersonating "the Tokyo police." A "police" call from a Free Dial number is itself proof of fraud.
A predatory sales call reported as introducing itself as "World" and demanding a referral fee for your tax accountant under the pretext of reducing social-insurance premiums.
A suspicious call reported as introducing itself as "Kinoshita Construction" and using a "looking for land" pretext to check whether you're home. Possibly scouting unattended homes.
A push-buying operator reported as introducing itself as "Rakuraku" and using unwanted-goods buying as a pretext to lowball-buy precious metals. List-based phone sales.
A phishing-scam number that impersonates PayPay with fake SMS messages: "Automatic debit failed. Pay the outstanding balance to lift the restriction."