Overview

• Reported spam and scam calls in Germany jumped roughly 23 percent in July 2025 compared to June, marking a new monthly record.
• Clever Dialer’s rankings identified several Düsseldorf and Hamburg landlines among the most active spam numbers, including 0211 95586812 for fake prize draws.
• Scammers impersonate consumer protection bodies, telecom providers and insurers to coax victims into subscription traps or to surrender bank details.
• Perpetrators constantly rotate end digits, switch to foreign prefixes such as the Netherlands’ +31 and deploy abrupt hang-ups to evade blacklists.
• Experts advise users to block suspicious numbers, avoid confirming personal or IBAN information over the phone and install anti-spam apps to flag repeat offenders.