249 countries & territories

Phone number validation
& carrier lookup

Verify numbers in bulk via CSV, or integrate real-time checking via API.

Phone Number Checker

Try it free — no account required

Features

Clean your contact list and prevent fraud

Check phone number validity, format numbers, and identify the carrier and line type — all in a single API call.

Validate

Check phone number validity instantly. Our phone number checker confirms if a number is valid or not. Works for all 249 countries and territories.

Format

Rewrite any valid phone number in a standard international or local format.

Locate

Find a number's country based on its prefix or from the requester's IP address.

Phone Carrier Lookup

Find service provider by phone number. Identify line-type, carrier and region for any number.

Bulk or API

Validate any way you need

Bulk Phone Number Validation

Validate your phone numbers list in minutes: Upload your CSV, Validate, Download. Free phone number checker for up to 1,000 numbers.

Real-time Phone Verification API

Validate phone numbers in real-time with our number validation tool. RESTful API with JSON responses.

Go to docs
Secure

Zero data retention. GDPR compliant.

Phone numbers are permanently deleted from our servers after every validation. All traffic is encrypted via TLS, and we never store or share your data.

GDPR & CCPA compliant TLS encryption Auto-delete after validation
Integrations

Choose from 2,000+ integrations

Validate phone numbers on your favorite tools using our Zapier or Make integrations. Get your integration working in minutes with ready-to-use templates.

Cost Effective

Best rates guaranteed

Whether you need to validate a few hundred phone numbers or millions, our volume pricing guarantees the best rates on the market.

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Use Cases

Veriphone saves you time and money

Filter out invalid numbers before they cost you. Here's how teams use Veriphone.

Outbound Campaigns

Invalid numbers in your dialer or SMS tool mean wasted credits and poor reach rates. Validate your phone number lists before every campaign.

Lead Scoring

A lead with a valid phone number scores higher than a lead with an invalid number. A mobile number may be worth more than a landline. Veriphone syncs with any lead scoring system.

Dispatching

Veriphone reliably appends the country and region of any phone number, allowing automated dispatching of prospects to the right sales representatives.

Segmentation

Segment by carrier, region, and line-type to target mobile-only audiences, route by geography, or separate landlines from mobiles.

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FAQ

Frequently Asked Questions

A valid number is one that is approved for use by carriers. It does not necessarily mean that the number is currently active. Validation is based on the latest national numbering plans as published by the International Telecommunication Union and other public databases.

We guarantee validations according to the latest numbering plans published by government agencies. On the technical side we guarantee an SLA of 99.95% and scalability to thousands of requests per second.

No. Bulk validation is as easy as 1-2-3: upload your CSV, validate, download. If you need real-time validation using our API, contact us, we can help with the technical setup.

Enter a phone number in the phone number checker or call the /v2/verify API endpoint. Veriphone will check it against the country's numbering plan and return validity, carrier, and line type.

Yes. Veriphone performs a phone number carrier lookup on every validation. The response includes carrier name, line type, and region for any of the 249 countries and territories supported.

Sign up for 1,000 free credits to perform phone number lookup, phone verification, and carrier detection at no cost. Free carrier lookup is included for all supported countries.

Yes. Veriphone supports phone number lookup for the US, Canada, and 246 other countries and territories, including full carrier and line-type data.

Yes. Veriphone identifies mobile numbers as part of every phone number check. The response distinguishes mobile, fixed line, VoIP, toll-free, and other line types.

Want to know more?

Everything you need to know about phone numbers in a 5-minute read

Read the Guide

Ready to validate your phone numbers?

Start with 1,000 free credits. No credit card required.

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