🇯🇵 Japan · +81

Reported numbers in Japan

Phone numbers with spam or scam signals observed in Japan, aggregated from independent complaint sources and the Numbers Online community. Everything on this page is a supplementary signal — advisory, not a verdict — and personal numbers are never listed.

← All countries

2,263

Numbers with signals

87.7K

Reports across sources

1,009

Active last 30 days

6h ago

Latest activity

Recently active numbers

24 shown

Freshness reflects when a source last observed activity — never when we crawled it. Full history and scoring on each number’s lookup page.

What gets reported

Phishing / smishing816

Telemarketing561

Robocall249

Survey164

Silent / hang-up133

Reported activity118

Ping call105

Debt collection73

Most-reported prefixes

+81 800194+81 503186+81 505176+81 120166+81 80887+81 70382+81 80279+81 80176

Number ranges where signal numbers cluster. A prefix itself is never bad — plenty of legitimate numbers share it.

Monthly data report

Phone spam trends · October 2026 →

Country movement, top categories and new number-range patterns.

Aggregated from independent complaint feeds and community reports; refreshed on a schedule (last 2h ago). These are supplementary signals to help you decide whether to answer — advisory, not a verdict on any number or its owner. Got a call? Report it · listed in error? Request removal.

Other countries

United States3.2M Poland129.8K Germany36.3K Lithuania25.9K United Kingdom19K Romania5,082 Italy4,590 Spain4,571 Denmark3,790 Portugal3,438