How can i block unknown or unavail numbers from calling i have a non android old kyocera assurance wireless phone?

[Jeffsuicideguy]

I have a assurance Wireless free phone it is not a smartphone it is just a regular Kyocera phone non Android I keep getting calls from unavailable numbers or unknown numbers that called several times a day from early morning till 9 at night and they take up my voicemail time is there any remedy like a *61 or something i am older very uneducated with smartphones so i have old model no internet

 

[hang-the-9]

Contact your service provider.

 

[chituc096]

I get call from privete no at 6.18pm i need block

 

[rgd1101]

I get call from privete no at 6.18pm i need block

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