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Validating Mobile Numbers: Best Providers and Tools

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What are people using to validate mobile numbers? Twilio Lookup API? Numverify? Any providers that are integrated that have a high accuracy rate? (LeadMagic, Etc.)

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For mobile number validation, we have several integrated providers: ClearoutPhone - Validates phone numbers by checking if they're active and identifying line type (mobile vs landline). Supports global numbers but requires country codes for non-US numbers. Trestle - Verifies phone numbers with name matches, determines carrier name, line type, prepaid status, and identifies disconnected numbers with a phone activity score. Great for identifying bad numbers before dialing. We recently partnered with TitanX to test over 9,806 mobile numbers across North America, Europe, and APAC to find the best combination of accuracy and cost. We recommend using mobile phone data waterfalls for optimal results. Both ClearoutPhone and Trestle are natively integrated and can be used with Clay credits or your own API keys.
Sources: Data points: Mobile Validation | Clay.com ClearoutPhone integration overview | Documentation | Clay University Verify Contact with Trestle | Clay.com Data Test Methodology | Documentation | Clay University