| Telecom Circles | Metro Districts |
| Andaman and Nicobar Telecom Circle | Kolkata |
| Andhra Pradesh Telecom Circle | Chennai |
| Assam Telecom Circle | Project Circles |
| Bihar Telecom Circle | Eastern TPC |
| Chhattisgarh Telecom Circle | Western TPC |
| Gujarat Telecom Circle | Northen TPC |
| Haryana Telecom Circle | Southern TPC |
| Himachal Pradesh Telecom Circle | IT Project Circle,Pune |
| Jammu & Kashmir Telecom Circle | Maintenance Regions |
| Jharkhand Telecom Circle | Eastern TMR |
| Karnataka Telecom Circle | Western TMR |
| Kerala Telecom Circle | Northen TMR |
| Madhya Pradesh Telecom Circle | Southern TMR |
| Maharashtra Telecom Circle | Specialized Telecom Units |
| North East-I Telecom Circle | Data Networks |
| North East-II Telecom Circle | National Centre For Electronic Switching |
| Orissa Telecom Circle | Technical & Development Circle |
| Punjab Telecom Circle | Quality Assurance |
| Rajasthan Telecom Circle | Production Units |
| Tamilnadu Telecom Circle | Telecom Factory, Kolkata |
| UP(East) Telecom Circle | Telecom Factory, Mumbai |
| UP(West) Telecom Circle | Telecom Factory, Jabalpur |
| Uttaranchal Telecom Circle | Telecom Factory, Richhai |
| West Bengal Telecom Circle | Other Units |
| Training Institutions | Telecom Stores |
| Advanced Level Telecom Training Centre | Railway Electrification Project |
| Bharat Ratna Bhim Rao Ambedkar Institute Of Telecom Training | Telecom Electrical Wing |
| National Academy of Telecom Finance and Management | Telecom Civil Wing |
| Regional Telecom Training Centres | . |
| Circle Telecom Training Centres | . |
| District Telecom Training Centres | . |
