How can I block "unknown" calls from my phone?

I've been getting at least one call a day, around the same time, from an Unknown Call. I searched the App store to see if I could download something that would just misdirect the call straight to voicemail or ask the caller to stop using the block feature, but there's NOTHING for my Windows phone. Is there something else I can do? I'm getting tired of the calls, and yes, I've tried answering the call with no one "there". Frustrating.....

Accepted answers

Verizon_Support

mschore, we get the point. Since phone number is restricted on this incoming calls, you have the option of blocking these calls with the Family Base feature: http://vz.to/1dJRZEC

LasinaH_VZW

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All comments

Verizon_Support

I've also seen unwanted phone calls come through in recent weeks. I'm right there with you when it comes to how annoying these calls can be. I do want to advise that with unknown numbers the only way to block is through usage controls, http://vz.to/18e1VIs. If there is a 10 digit number associated with this this unknown caller we do have call and message blocking available.

YosefT_VZW

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mschore

You are missing the point, there is NO number associated with these calls. Verizon needs to do something about this situation.

Verizon_Support

mschore

And that solution is unacceptable. $5/month more on an already bloated bill for wireless??? Why does Verizon allow calls with the unknown source type. I can understand Private or blocked coming up but it is downright creepy to have calls coming up that show as Unknown.