To reach IITM telephone extensions from outside, the caller has to dial prefix (044) 2257-xxxx, where xxxx is the PABX number
For residential PABX lines (wherever provided)
- Replace 8xxx with 9xxx
- Replace 4xxx with 6xxx
If residential line is not provided "Number Not Available" or Engaged Tone will be heard.
Board PABX No : IVRS (8000) / ASR (9000)
The full format of the email is [Email]@iitm.ac.in
List of Intercom Extensions
| NAME | ROLE | BUILDING | ROOM NO. | BUILDING NAME | OFFICE EXTN (PABX). | |
|---|---|---|---|---|---|---|
| Administration 2B | ADB | 2 | Central Administration Building | 8111 | ||
| Administration 2C | ADB | 2 | Central Administration Building | 8113 | ||
| Administration 3 | ADB | 2 | Central Administration Building | 8112 | ||
| Administration Office | ADB | 2 | Central Administration Building | 8106 | ||
| Administrative Officer | Hostel Avenue | Central Administration | 8531 | |||
| Advance Imaging Facility | New BT | 11 | Department Of Biotechnology | 8902 | ||
| Advanced Magnetic Material Lab (AMMLa) | HSB | 103 | Department of Humanities and Social Sciences Block | 5883 | ||
| Advanced X-Ray Lab | HSB | 140 | Department of Humanities and Social Sciences Block | 5894 | ||
| Advisor (Sports & Cultural ) | 8521 | |||||
| Advisor - Weaker Section | 8522 | |||||
| Aero Lab | NCCRD | 4 | National Centre for Combustion Research and Development | 9891 | ||
| Aero Stores | ASE | Aerospace Engg. Building | 5000 | |||
| Aero Student Office 1 | NCCRD | National Centre for Combustion Research and Development | 9874 | |||
| Aero Student Office 2 | NCCRD | National Centre for Combustion Research and Development | 9873 | |||
| Aero Student Office 3 | NCCRD | National Centre for Combustion Research and Development | 9870 | |||
| Aero Student Office 5 | NCCRD | 4 | National Centre for Combustion Research and Development | 9892 | ||
| Aero Student Office 6 | NCCRD | 4 | National Centre for Combustion Research and Development | 9894 | ||
| Aero Workshop | ASE | Aerospace Engg. Building | 5001 | |||
| Aerospace Fax | ASE | 103 | Aerospace Engg. Building | 4002 | ||
| Aerospace HOD | Department Head, Aerospace Engineering | ASE | 103 | Aerospace Engg. Building | 4001 | aehead |