Automated Phone number verification

Clean up your contact list by verifying if the contact’s landline or mobile number is valid.

Analyse your Contact List before you start your campaign

Keeping data clean and accurate is hard. Our contact list analysis service lets you analyse entire contact lists and weed out the bad numbers. You can then decide to either correct the phone number or remove it from your contact list. This gives you a lot of flexibility.

We recommend that you verify the contacts in your contact list early so that you have time to correct any numbers that are invalid. Your voice or SMS campaign will then have a higher success rate.


How to analyse Contact Lists

Go through our help section to learn how you can verify a large list of phone numbers in CallHub.

Trusted and loved by customers worldwide


I have continued to use CallHub for several years and have appreciated the improvements I’ve seen over this time. I used the Voice Broadcast feature in various ways, from inviting people to events to in one case, contacting almost every household in a small province to generate leads for people wanting more information about a plebiscite that was taking place.

Jordan Bober, Director of Development and Election Readiness, Green Party of Prince Edward Island

Very easy to use. I compared it to several other services and am very happy that we have chosen to do business with them. The team is so friendly, easy to work with and assists wherever they can. It is a joy to work with them!

Leslie S, Insurance Media Services

Very helpful, when making a lot of calls. I have never made so many calls in my life, nor would that have been possible without the help of CallHub.

Ashley C, Special Assistant, Political Organization

A lot of our folks are volunteers, a lot of them are retired, they are often anxious with technology and they were able to use CallHub easily. It’s empowering for volunteers who don’t see themselves as very tech-savvy to be able to pick up a new piece of software and a new program and just use it, so that was great.

Celine Trojand, Organizer, Organizing for Change

I must say CallHub is very easy to use. I’ve run several call campaigns with much success and been able to reach over a thousand contacts in less than a week which would have taken much longer without CallHub

Allen Dawson, Founder, Lead Leopard Consulting

I love this product. It’s so easy to use with a very clean user interface. The price is the most economical I’ve seen in the industry and last but not least is the wonderful customer support. They answer all questions very quick.

Ronald Hart, Marketer, The Cloud Marketers

What I really enjoyed was the relation we had. Every time anything had to be improved, we had a great correspondence with the CallHub team and they were very reactive; so every time we felt there was need to improve the tool to change something, they developed it quite quickly. It was very interesting, very stimulating, because we could go further every time we had what appeared to be an issue about CallHub.

Anthony Samama, Digital and Innovation Manager, Nicolas Sarkozy Presidential Primary

3000+ of the world’s biggest organizations trust CallHub for engagement

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