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About

Regardless of your customers’ locations, you need accurate contact data. Check the validity of phone numbers from more than 240 countries and territories to ensure you have clean data driving your business. Identify whether a phone number is a landline, free phone, VoIP phone, or even a mobile phone. This lets you not only target a mobile outreach campaign to either SMS or telephone, but also consider the type of phone in order to remain compliant with regulations such as the Telephone Consumer Protection Act (TCPA). Not only verify the accuracy of contact’ phone numbers, but also know more about your customers and prospects. Enriching phone number data with time zone, for instance, ensures you will not call a prospect in the middle of the night.

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

Companies looking for a Phone Verification solution that helps verify customer and prospect telephone 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 Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version Not Supported
Free Trial 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 Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

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

Company Information

Informatica
United States
www.informatica.com/products/data-quality/data-as-a-service/phone-validation.html

Company Information

ZelNum
Founded: 2026
Hong Kong
zelnum.com

Alternatives

Alternatives

Categories

Phone Verification Supported

Categories

Phone Verification Supported

Integrations

Adobe Marketo Engage Supported
Salesforce Supported
WhatsApp Not Supported

Integrations

Adobe Marketo Engage Not Supported
Salesforce Not Supported
WhatsApp Supported
Claim Informatica Phone Validation and update features and information
Claim Informatica Phone Validation and update features and information
Claim ZelNum and update features and information
Claim ZelNum and update features and information