How can I find out my Kindle 3G telephone number?
I did put the SIM card of my Kindle 3G into a Samsung Smartphone but a SIM-card tool says that the telephone number is not stored on the SIM-card.
With "*135#" or "*#62#" I get the message that that service is not supported.
Nevertheless I receive a Covid-SMS from the german federal government.
So there must be any way to find out the Telephone number but how?
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