April 17, 2015


Using Fortytwo’s Number Validation Services for your mobile marketing campaigns (whether through voice or text messages) can increase your return on investment and add value to your marketing campaigns.

Here we outline some of the key uses for NVS and the benefits to checking whether your customers phone is:

  • switched off – you can postpone sending your message to powered off phones
  • roaming – you can postpone sending your message until your customer becomes available
  • valid –  you’re not charged for undelivered messages
  • ported – you can ensure that a specific number is on your targeted network.

Interested in learning more about how you can benefit from NVS?

Please contact our dedicated sales team at


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