If you still have an old text thread from the blocked number in your list, this is the fastest route.

Android interfaces vary slightly depending on whether you have a Samsung, Google Pixel, or Motorola device, but the logic is almost always the same.

Android unblocking steps can vary slightly depending on your phone's manufacturer or the messaging app you use. Google Messages (Standard Android)

Tap your or the three-dot menu in the top right. Select Spam & blocked .

Tap the or minus sign next to the number you want to unblock. Third-Party Messaging Apps