Windows 10: How do I unblock a blocked website?

This is a website that I have been using for several years. Now, after I sign on, when I try to get to the page I need, it says that the webpage is blocked. No, I do not have popups blocked.

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unblock the websites

How to unblock the blocked websites in windows 10phone

 

Unblocking a blocked number

Go to settings-->call+SMS filter-->blocked numbers.. In the list that appears, long press on the one you want to unblock and select 'unblock' ..

 

Cannot unblock blocked number

I have a phone number in my blocked numbers list that was added in error. I cannot unblock the number. I have tried holdong down the number and telling the phone to unblock it. I have also checked the box next to it and pressed unblock. I get a message
the number has been unblocked, but when I go back and check the number is back in the list. I even unblocked all the numbers in my list. all were unblocked except the one. I would appreciate some guidance. Thanks.