Can't access my Hotmail Account

Shen

New Email
I can't get into my Hotmail account and I really need to get important emails quickly. It is asking me where to send a code. When I put in the last four digits of my mobile number and click next it gives me the following message:
"There's a temporary problem with the service. Please try again. If you continue to get this message, try again later". I have been trying this all day with no success. Can anyone help please.
 
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