Membership in the Association is primarily formed by regions in Mainland Tanzania. Currently, Mainland Tanzania has a total of 26 regions. As of January 2023 none of the regions had registered as members of the Association however a total of seven regions were active and had been participating in various sports initiatives. The Association's strategy is for the numbers to grow up to all regions by December 2024.

Membership is also through Participation as follows:
  • Association of National Table Tennis Coaches
  • Association of National Table Tennis Trainers
  • Membership by invitation
  • Government Agency responsible for sports supervision