BoldData specializes in global contact databases, with verified mobile numbers from more than 100 countries. Their custom data services allow clients to build datasets that match their exact needs.
Key Features:
Country-specific mobile number databases
GDPR-compliant data
Custom datasets
Best For: International businesses or those running global SMS marketing campaigns.
4. UpLead
UpLead offers both email and mobile contact data, petroleum manufacturers mailing leads focused primarily on B2B lead generation. They emphasize data accuracy and real-time verification, which reduces bounce rates and failed connections.
Key Features:
Verified mobile numbers with a 95% accuracy guarantee
Real-time email and phone verification
Filter by industry, revenue, company size
Best For: B2B marketers and agencies that need clean, reliable contact data.
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