If your SMS campaigns are seeing high undeliverability rates, the problem might not be your content—it could be your carrier.
If a carrier does not receive a mobile phone payment for more than 30 days, the phone number associated to the account is suspended, meaning that during this period that you can’t send or receive text messages and phone calls.
If the non-payment continues for more than 90 days, the phone number is deactivated. Sending text messages to these numbers is a waste of time and money as carriers will still charge you for messages that are not delivered.
www.SubscriberVerify.com is a great tool in which you can save both your money and time. By scrubbing your numbers for any suspended or disconnected phone numbers, you can get rid of these charges on undelivered messages.
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