is O8OO-O86 -8676 Yahoo Mail Customer Care Phone Number UK?

I need help with my Yahoo email on my Dell 1410, my Yahoo is being compromised.

Someone is sending out the emails from my Yahoo, I cant even reset the password online.

Password can't be reset online is the message that i am getting on my screen.

I Googled Yahoo phone Number. So, i want to confirm is this genuine Yahoo Phone Number for Yahoo Customer Care UK? 0800-086 -8676,

I got the Following Queries while Searching online 

Independent Third Party Support providers For Yahoo mail Customers in United Kingdom
Can Solve Issues Like 
Password Reset 
Can't Reset My Password Online
Forgot Security Answers 
Change Old Mobile Phone Number 
Setup Outlook On windows 
Setup Mac mail 
Ipad Yahoo mail Setup
Iphone Yahoo mail Setup 
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