TapFix & manageat the bottom.
The numbers you’ve blocked will appear on a list at the bottom of this screen.
It works basically the same way on both Google Pixel and Samsung Galaxy phones.

Tap thethree-dot menuat the top right, and selectSettingsfrom the drop-down menu.
On some devices, you could chooseBlockeddirectly from this menu.
SelectBlocked numbers(Pixel phones), orBlock numbers(Galaxy phones).

Google Pixel Directions
Open theMessagesapp.
Tap youraccount imageat the top right.
Listed here are spam messages and texts from numbers you’ve blocked.

To view all the blocked phone numbers, tap thethree-dot menuat the top and then chooseBlocked numbers.
Samsung Galaxy Directions
Open theSamsung Messagesapp.
Select thethree-dot menuand then tapSettings.
TapBlock numbers and spam.
ChooseBlock numbersto see the blocked numbers on your phone orBlocked messagesto review any texts you’ve blocked.
Some of those apps provide an actual phone number and often number-blocking abilities as well.
you might change your mind anytime and delete a number from the block list in just a few seconds.
Tounblock a number on Androidfrom theBlocked numbersscreen, tapXnext to the number and then confirm the action by tappingUnblock.