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About

We are the experts for phone number lookups to determine phone line type. Do you need to know if phone numbers are mobile, landline, toll-free, VOIP, or fake/invalid? We cover all line types and all U.S phone companies. Run a phone number search above to see our uncanny accuracy. You can automate phone validator lookups with the phone validator API. Join the many app developers and marketing agencies who already use the API to keep their project phone numbers validated in real time. Our batch processing makes updating your phone lists easy. To run a phone number batch, just upload your CSV file and we'll do the work and email your file back.

About

ZelNum is a web-based verification and data-cleansing platform for businesses, sales teams, marketers, and developers. It helps users verify WhatsApp, Telegram, and phone numbers, check carrier and line-type information, and enrich contact records with country and phone data. Users can run individual checks, upload CSV or TXT files for bulk processing, or connect through the API for automated workflows. With more than 40 verification checks available, ZelNum helps teams clean contact lists, improve data quality, qualify leads, prepare outreach campaigns, and review potential risks. Free manual tools are available, while paid checks use transparent pay-as-you-go pricing with no subscription required. ZelNum provides verification signals, not identity proof, and should be used only with authorized data.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Anyone searching for a platform that helps validate phone numbers

Audience

Sales and marketing teams, CRM and operations teams, lead-generation agencies, developers, and businesses that need to verify, clean, and enrich contact lists at scale.

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$0.004 per lookup
Free Version Supported
Free Trial Not Supported

Pricing

Pay-as-you-go
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Phone Validator
phonevalidator.com

Company Information

ZelNum
Founded: 2026
Hong Kong
zelnum.com

Alternatives

Alternatives

RealPhoneValidation

RealPhoneValidation

RealValidation
Numverify

Numverify

APILayer

Categories

Phone Verification Supported

Categories

Phone Verification Supported

Integrations

ElectroNeek Supported
Quickwork Supported
WhatsApp Not Supported
Zapier Supported

Integrations

ElectroNeek Not Supported
Quickwork Not Supported
WhatsApp Supported
Zapier Not Supported
Claim Phone Validator and update features and information
Claim Phone Validator and update features and information
Claim ZelNum and update features and information
Claim ZelNum and update features and information