Best Phone Data
Providers
Mobile and direct dial providers
8 providers in Phone Data
Lusha
Contact data provider known for direct dial phone numbers and email addresses. Chrome extension popular with SDRs.
Forager
Phone data provider focused on mobile number accuracy. Growing player in the phone waterfall ecosystem.
Datagma
Real-time enrichment and phone data provider. Often used as first step in phone number waterfall sequences.
Trestle
Trestle appears in 1 Deepline Claude Code workflow for phone data use cases. Connect Trestle and HubSpot to Deepline, chat with Claude to validate phone numbers and caller IDs, then upsert results into HubSpot Contacts.
ZoomInfo
Enterprise B2B data platform with contact, company, and intent data. Known for high cost but broad coverage.
Seamless.AI
AI-powered contact data platform. Real-time search engine for B2B sales leads.
Cognism
European-focused B2B data provider with phone-verified mobile numbers. Diamond Data offering for verified contacts.
Upcell
Phone data provider with focus on cell phone numbers for B2B outbound calling.
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This directory is exhaustive but not omniscient. If you know a GTM data provider, public dataset, or tool that should be listed here, tell us and we’ll add it within 48 hours.