What is Number phone 912520120 And +41554155590?

Who are they is Number phone 912520120 And +41554155590.
– Who is the owner of the phone number.. Why do they call me constantly at 2021-11-20 06:45:54

Can someone tell me what to do with 912520120 And +41554155590 ?

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Recent, Discussion at 2021-11-20 06:45:54 by Member : Blinks