Why am I unable to receive SMS code for Phone Number Verification

 
I have tried using different numbers to get verification code but I don't get the code and without this verification i can't fund my account. What can be done to resolve this ASAP?
 
Contact with the service desk (on Monday): Contacts and requests
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Sergey Golubev #:
Contact with the service desk (on Monday): Contacts and requests
Thank you!