What is Number phone +41555511003 And 800555253?

I have a question is Phone Number +41555511003 And 800555253.
– Who is the owner of the phone number.. They call me constantly every day at 2021-11-20 01:48:45

Can someone tell me what to do with +41555511003 And 800555253 ?

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Recent, Review at 2021-11-20 01:48:45 by Member : How to block spam calls on iPhone