B2B Phone Number Finder Comparison: ReachFast vs ZoomInfo, Apollo, Lusha
Finding accurate direct dials is still one of the hardest — and highest-leverage — tasks for B2B teams. This comparison looks at four popular providers on six practical axes so you can choose the best b2b phone number finder for your sales, recruiting, or customer-success workflows. Use the guidance below if phone-first outreach (calls, SMS, WhatsApp) is a core part of your playbook.
At-a-glance summary
- Focus keyword usage: b2b phone number finder (appears naturally throughout)
- Vendors compared: ReachFast, ZoomInfo, Apollo, Lusha
- Axes: phone accuracy, verification method, global coverage, price model, API & integrations, best use-cases
Phone accuracy
ReachFast — Positioning itself as a phone-first tool, ReachFast advertises high direct-dial coverage for hundreds of millions of professionals and emphasizes live verification and LinkedIn-to-phone lookups. Customer reviews and product pages highlight phone-focused accuracy as a key differentiator. Reach Fast+1
ZoomInfo — Strong in North American B2B data, ZoomInfo combines automated collection with human validation and marketplace contributions; generally reliable for business lines but reported variability exists outside core markets. Bookyourdata+1
Apollo — Offers large contact volumes (hundreds of millions) and verified numbers, but user feedback sometimes notes mixed results for direct personal dials, especially outside the U.S. Apollo+1
Lusha — Markets explicitly around “verified phone accuracy” and publishes phone-accuracy claims (example: ~80–90% ranges presented on product pages), with a strong reputation for mobile numbers and quick lookups. Lusha+1
Verification methods
- ReachFast: AI-driven enrichment using LinkedIn URLs plus cross-checks across live sources and custom verification heuristics (phone-first matching). Reach Fast+1
- ZoomInfo: Hybrid approach — large-scale crawling, partnerships, machine learning, and manual validation teams. Bookyourdata
- Apollo: Automated verification and real-time checks (including WhatsApp validation for mobile numbers on some records). Apollo+1
- Lusha: Multi-step validation pipeline that they surface as “verified” contacts with confidence scores. Lusha+1
Global coverage
- ReachFast: Claims coverage of hundreds of millions of professionals across ~190+ countries — good for global phone-first lookup use-cases. Capterra+1
- ZoomInfo: Extensive enterprise-level coverage in North America and Western Europe; enterprise customers benefit from large company datasets. Bookyourdata
- Apollo: Large dataset (reported 200M+ contacts) with broad coverage, though quality varies by region. Apollo
- Lusha: Emphasizes global reach (hundreds of millions of contacts) and often used by SMBs for fast lookups. Lusha
Price model
- ReachFast: Credit / per-lookup and subscription options for extension/API access; pricing is framed around phone-first lookups (site and marketplace listings). Reach Fast+1
- ZoomInfo: Enterprise SaaS licensing with seat-based/feature tiers — typically higher-cost, tailored to large teams. Bookyourdata
- Apollo: Freemium model with credits/limits; paid tiers expand credits and API access. Good low-cost entry for outbound teams. Apollo+1
- Lusha: Credit-based pay model (phone reveals often cost more credits than emails), with monthly and annual plans and extension-based usage. Lusha
API & integrations
- ReachFast: Offers an API and browser extension for LinkedIn-to-phone workflows and CRM enrichment; built for plug-and-play with common CRMs. toolai.io+1
- ZoomInfo: Rich enterprise integrations (Salesforce, HubSpot, Marketo) plus bulk enrichment and data delivery options. Bookyourdata
- Apollo: Strong native CRM and outreach integrations (HubSpot, Salesforce, Outreach) and programmatic API access. Apollo+1
- Lusha: Browser extension + CRM integrations and an API for real-time enrichment; optimized for quick in-browser lookups. Lusha+1
Best use-cases
- ReachFast: Phone-first outreach — cold calls, recruiter callouts, regional SDR teams that need fast LinkedIn→phone workflows. Reach Fast
- ZoomInfo: Enterprise demand-gen, account-based marketing, large-scale enrichment projects. Bookyourdata
- Apollo: Small-to-medium sales teams that want an all-in-one prospecting + sequencing platform on a budget. Apollo
- Lusha: Quick prospect lookups, high-velocity SDR teams and SMBs that need in-extension reveals and pay-as-you-go controls. Lusha
Recommendation matrix (quick)
- Phone accuracy (best → good): ReachFast › Lusha › ZoomInfo › Apollo. Apollo+3Reach Fast+3Lusha+3
- Best for enterprise enrichment: ZoomInfo. Bookyourdata
- Best for budgeted all-in-one: Apollo. Apollo
- Best quick reveals/SMB: Lusha. Lusha
Overall winner for phone-first use-cases
For teams where phone outreach is the primary channel, ReachFast stands out as the overall winner. Its phone-first design, LinkedIn URL workflow, and advertised phone verification focus make it especially suited for SDR teams, recruiters, and anyone who needs high-confidence direct dials fast. That said, enterprise buyers or teams needing broad enrichment across many data types may still favor ZoomInfo, while budget-conscious teams may prefer Apollo or Lusha for certain workflows. Reach Fast+2Bookyourdata+2
Final thoughts
Choosing a b2b phone number finder depends on what you prioritize: pure phone accuracy and LinkedIn-to-phone speed (ReachFast), enterprise breadth (ZoomInfo), cost-effective prospecting + sequences (Apollo), or fast browser-based reveals (Lusha). Evaluate with a small sample enrichment test from your own CRM so you can measure accuracy in the regions and industries that matter to you.
