Validate Any Phone Number in Milliseconds
Validate phone numbers instantly. Get carrier name, line type, timezone, and formatted output for 200+ countries. Catch invalid numbers before they cost you time and money.
Try it free no signup required
Sign up for 75 free searches per month no credit card required.
Real-world view of the Phone Validator in action
Based on verified reviews
Trusted Phone Validation at Scale
Tomba has the largest B2B email crawler on the web. We process billions of pages monthly so you always get the freshest, most accurate data.
Independent 5,000-Lead Benchmark
Same input file, same conditions, every provider. Raw results, no spin.
Tomba.io
Anymailfinder
Findymail
GetProspect
Skrapp
Hunter
VoilaNorbert
Snov
ProspeoMore Data, Less Money No One Comes Close
Every plan includes free verification credits, phone data, and credits valid for 12 months.
Why Teams Trust Our Phone Number Validator
99% format accuracy, full carrier intelligence, and 200+ country coverage. Stop calling dead numbers.
Validate in Milliseconds
Verify any phone number in real-time. Check format, country code, and numbering plan validity before you dial or send.
Carrier & Network Detection
Identify the exact carrier and network operator. T-Mobile, Vodafone, Orange, BT, and hundreds more worldwide.
Know the Line Type Instantly
Detect if a number is mobile, landline, VoIP, toll-free, or premium. Essential for SMS campaigns, compliance, and routing.
200+ Countries Supported
Validate phone numbers from any country or territory. Full international numbering plan coverage with no regional blind spots.
Every Format You Need
Get each number in Local, International, E.164, and RFC3966 formats. Ready for any CRM, dialer, or API integration.
Automatic Timezone Detection
Detect the timezone from the phone number automatically. Know the best time to call without guessing.
Country Code & Region Detection
Instant country identification with flag, country code, and region. See where your contacts are based at a glance.
WhatsApp & Viber Ready
Validated mobile numbers include one-click WhatsApp and Viber links for instant messaging outreach.
Bulk Validation at Scale
Upload a CSV with thousands of phone numbers for batch validation. Export clean, formatted results with full carrier data.
REST API for Developers
Integrate phone validation into your pipeline with our REST API. Validate numbers programmatically at any scale.
GDPR & CCPA Compliant
We only validate format and carrier data. No personal data is stored or shared. Fully GDPR and CCPA compliant.
Never Pay for Invalid Numbers
Only successful validations consume credits. Invalid or malformed inputs are rejected at no cost. Zero waste.
How the Phone Number Validator Works
Three steps to validate any phone number and get full carrier intelligence
Use Phone Validator everywhere you work
Browser extensions, spreadsheet add-ons, REST API, and native integrations pick what fits your workflow.
Phone Validator works differently
Most tools
Basic format checking only no carrier or line type data
No international coverage US numbers only
No enrichment just valid/invalid status
Charge per validation even for invalid inputs
No bulk validation support
Tomba
Full validation with carrier, line type, and country detection
150+ countries supported not just the US
Enriched results with E.164 format, national format, and timezone
Only charge for successful validations
Bulk validation via CSV upload or REST API
Trusted by sales teams worldwide
“Tomba's phone validation <mark>saves us hours of manual checking</mark>. The carrier and line type data is incredibly useful for our sales team.”
“The <mark>international coverage is unmatched</mark>. We validate numbers across 40+ countries daily and the accuracy is consistently high.”
Start validating phone numbers today
Join 150,000+ professionals who trust Tomba for accurate contact data. Free credits on signup no credit card required.
Under 5% bounce rate
GDPR Compliant
450M+ contacts
Data updates
Quick answers about Phone Validator
Here are the most common ones we get.
If you can't find the answer to your question here, visit the dedicated section in our Help Center .