I have the same problem. Over the past couple of weeks and month I have been harassed a thousand times at the worst times possible! Even when I block the number they keep calling and I receive a void voice message! And when I call back to ask then to stop, they immediately hang up!!!
Below are the numbers which have called me:
+31 88 775 12 28
+31 88 775 12 06
+31 88 775 12 17
+31 88 775 12 26
How can I stop this! I do not want to receive any calld from KPN! If there is anything important about my subscription, you can always send me an email! Could you please help me remove my number from these commercial calls?
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Admin: Made your own topic for your question. Original topic.