How do I find the source of a number getting added to my blocked number list?

[Android Central Question]

One of my contact number keeps getting added to my phone's blocked number list. I'm not sure how that is happening and need to find the source of the same (manual/specific app/contact sync process). Can someone please help me find the root of this issue?

 

[mustang7757]

One of my contact number keeps getting added to my phone's blocked number list. I'm not sure how that is happening and need to find the source of the same (manual/specific app/contact sync process). Can someone please help me find the root of this issue?

Which phone is this issue happening on ?

 

[Mike Dee]

One of my contact number keeps getting added to my phone's blocked number list. I'm not sure how that is happening and need to find the source of the same (manual/specific app/contact sync process). Can someone please help me find the root of this issue?

Is it being flagged as spam by a carrier app?

 

[Pankaj Mhatre]

This is happening with my Poco F1. How do I know if it is getting flagged by carrier app?

 

[Mike Dee]

This is happening with my Poco F1. How do I know if it is getting flagged by carrier app?

Depends on the carrier app. As an example Verizon has an app called call filter, which filters spam calls based on the severity settings.