Top Spam Telecom Carriers in Japan

Mobile network operators ranked by volume of community-reported spam phone numbers and unwanted calls.

Rank Carrier / Network Operator Spam Numbers Total Reports Spam Ratio Top Complaint Actions
#1 NTT Docomo 19 numbers 19 / 19 tracked
100%
Telemarketing View Numbers →
#2 Softbank 8 numbers 8 / 8 tracked
100%
Telemarketing View Numbers →