Global Phone Validator for Better OutreachReach the Right Person.
Real-time phone validation with carrier, line type, location & format intelligence for 248+ countries. Ensure every number is dial- and SMS-ready.
Trusted By Businesses of All Sizes Worldwide
Our solutions have been adopted by 60,000+ businesses worldwide to efficiently identify valid phone numbers and qualify leads in real time and at scale.
Free Real-Time Carrier & Line-Type Lookup
Validate any phone number instantly → block fakes, detect line types, and time outreach perfectly.
Phone Validator Features
Everything you need to validate, enrich, and maintain a clean phone database; in real time or at scale. Built for marketers, developers, and revenue teams who can't afford bad data.
Real-Time Global Validation
Perform high-speed phone validation across 248+ countries. Our engine doesn't just check syntax; it verifies the active status of numbers in under 200ms, ensuring your database remains 100% outreach-ready.
Smart Validation (On-Demand Precision)
Toggle on Smart Validation for high-value leads. This feature triggers a deep, real-time telecom query to verify carrier, linetype, and live reachability, providing a 99.9% accuracy rate when it matters most.
Advanced Carrier & Line-Type Lookup
Gain deep intelligence on every lead with our phone number validator. Instantly identify if a number is Mobile, Landline, or VoIP, and retrieve the registered Network Carrier. This data can be used to scrub landlines from SMS lists and save up to 40% on messaging costs.
E.164 Standardization & Formatting
Automatically correct and reformat international numbers to the global E.164 standard. By eliminating formatting errors that lead to failed SMS deliveries and ensure seamless integration with any global CRM or dialer.
Geolocation & Timezone Enrichment
Automatically determine the Region, City, and Timezone of your prospects using our advanced phone validation. Plan perfectly timed cold calling schedules and SMS campaigns to avoid “silent hours” and maximize your engagement rates.
Phone Validation API for Developers
An accurate, real-time API which integrates easily with web forms, mobile applications or tailor-made solutions. Avoid invalid phone numbers upon input and build a “Zero-Junk” contact database.
Bulk Phone Number Validation
Upload your CSV or XLSX contact lists and let ClearoutPhone do the heavy lifting. Validate thousands of numbers in one go, get instant status on each — valid, or invalid — and download a clean, enriched file ready for your CRM, dialer, or SMS platform. No coding required.
Performance
Powered by a globally distributed infrastructure with sub-200ms response times and 99.9% uptime SLA. Whether you're validating a single number at point-of-capture or processing a million-row list overnight, ClearoutPhone delivers consistent, enterprise-grade speed without throttling or downtime.
Why Phone Validation Matters
Validate phone numbers in real time to reach the right users,
on the right channel, with accurate data.
phone number
validity & insights
- Clean Data
- Enriched Data
- De-Duplication
- Dial & SMS Ready
Lead Scoring & Routing Optimization
Improve SDR efficiency by prioritizing leads based on Line-Type. Automatically route mobile numbers to the sales queue for an immediate high-priority follow-up and landlines to an automated voice drop campaign. Ensure 100% of your team's time is spent talking to reachable contacts.
Global Market Expansion (248+ Countries)
Scale globally in your Go To Market strategy without worrying about international telecom quirks. Phone number validation is a complex field with international formatting, dial plan logic for over 248+ countries-making international outbound efforts formatted accurately per E.164 guidelines.
SMS Budget Protection & Deliverability
Discover the network carrier of the subscribers prior to running bulk SMS campaigns. By filtering landlines, VoIP, and invalid number range marketers save from 40% on messaging and do not trigger the brand as a spam number by carriers.
Perfectly Timed Outreach (Timezone & DST)
Don't call or text when your prospects are sleeping. Use real-time Timezone and DST enrichment to sync your automated sequences with the prospect's local time, significantly increasing answer rates and conversion during peak business hours.
Built for Developers. Optimized for Scale.
Integrate the industry's fastest phone validation API into your sign-up forms, checkout flows, or internal CRM in minutes. Our REST API provides a “Zero-Junk” gateway for your user data.
api.clearoutphone.io/v1/phonenumber/validatecurl -X POST 'https://api.clearoutphone.io/v1/phonenumber/validate' \
-H 'Authorization: Bearer:REPLACE_WITH_YOUR_API_TOKEN' \
-H 'Content-Type: application/json' \
-d '{ "number": "7766733573", "country_code": "GB" }'Data Security
Data Encryption
We take your data security seriously. That's why we use 256-bit SSL encryption to secure the entire transmission and safeguard your information.
Data Retention
We safeguard your data and offer flexible retention options for your phone number list, with default retention of 30 days or customized retention periods upon request.
Compliance
We comply with the highest standards of data security, including compliance with GDPR, SOC 2 Type II and ISO norms, to ensure that your customer data is always protected.
What Client Says
Your Success, Our Proof.
Matt Jennings
Head of Sales Operations
Phone validation is essential for ensuring that your sales development representatives are making the most of their call time. ClearoutPhone ensures that your SDRs call only validated numbers.
Sarah Mitchell
Director of Marketing Ops
We were burning budget on SMS campaigns that never landed. ClearoutPhone cut our bounce rate by 38% in the first month. Now every number in our list is dial- and SMS-ready before we hit send.
Raj Patel
Revenue Operations Lead
The carrier and timezone data alone changed how we schedule outreach. We stopped calling landlines at 9pm and our connect rates jumped. It's become a non-negotiable part of our stack.
Validate Every Number.
Connect With Confidence.
Validate every phone number in real time to reach the right people, on the right channel, every time.