Phone Number Validator

Instantly verify phone numbers worldwide. Check validity, detect formatting issues, and clean your data for better deliverability.

Validate number format and identify carrier and country information

Detect fake, malformed, or disposable phone numbers instantly to improve data accuracy.

Identify the carrier and line type (mobile, landline, VoIP) for each number.

Integrate via API to validate phone numbers at scale across forms and databases.

Improve user experience by ensuring correct number format during onboarding or registration.

Retrieve country-level information for regional segmentation and routing logic.

Want to check if a number is actually reachable? Try our HLR Lookup service.

Verify Numbers
in Real-Time

With Lookup Number Verify, you can quickly confirm if a phone number is properly formatted and retrieve metadata like carrier and country.

How Phone Number Validation Works

1. Input

Enter a phone number via form, API, or batch upload.

2. Validation

We analyze the number’s format, country, and carrier metadata.

3. Results

Get data like number type, line type, carrier info, and more.

Use Cases

  • Marketing: Validate numbers before sending SMS campaigns.
  • Fraud Prevention: Detect fake, VoIP or disposable numbers.
  • CRM Hygiene: Keep user records clean and accurate.
  • Onboarding: Ensure number format is correct at signup.
  • Call Centers: Validate numbers before storing in databases.
  • Fintech / E-commerce: Validate number format before sending OTPs.

Phone Validator vs HLR Lookup

Feature Phone Validator HLR Lookup
Number format validation ✔️ ✔️
Carrier & line type info ✔️ ✔️
Check if number is active/reachable ❌ ✔️
Detect number portability ❌ ✔️
Best for Data cleaning, validation before input Live status, telecom routing, fraud detection
Explore HLR Lookup

Frequently Asked Questions

A phone number validator checks if a number is formatted correctly and provides details like the country, line type, and carrier.

Not directly. Our Phone Validator checks the number format, carrier, and country. To check if a number is truly active or reachable, use our HLR Lookup service.

Our validation system supports phone numbers from over 200 countries and territories worldwide.