NetNumber ID (NNID) is a 6 digit number that is assigned by NetNumber where left most 1-3 digits represent country code and remaining digits are sequentially assigned service provider ID. NNID also defines which carrier the number belongs to.
Apart from uniquely identifying the service provider for a particular dialled number, the service also supports global portability correction, global code-range data, and North American MVNO-OTT override data for text messaging.
Visit the Sinch 10DLC Product Page to learn more or if you need more help with 10DLC or have any questions, contact Sinch, who will be happy help!
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