AVisual Assist ANormal
A- Decrease Font Size A Standard Font Size A+ Increase Font Size
  • Home
  • Telephone Directory

Telephone Directory

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). EMAIL
Research Scholars Room ED 505 Department of Engineering Design 5312
Research Scholars Room ED 216 Department of Engineering Design 5628
Research Scholars Room MFL 108 Metallurgical and Materials Engineering 5783
Research Scholars Room NAC1 127 New Academic Complex 9835
Research Scholars Room NAc1 131 New Academic Complex 9836
Research Scholars room HSB 128 Department of Humanities and Social Sciences Block 5896
Research Scholars Room (RGD) GDL Gas Dynamics Lab 5015
Research Scholars Room - Electrical Machine Drives ESB 101 Electrical Sciences Block 5398
Research Scholars Room 1 CHL Department of Chemical engg 5164
Research Scholars Room 10 CWS 101 Central Workshop 5176
Research Scholars Room 11 HSB 267 Department of Humanities and Social Sciences Block 5590
Research Scholars Room 12 HSB 236 Department of Humanities and Social Sciences Block 5591
Research Scholars Room 2 CHL Department of Chemical engg 5165
Research Scholars Room 3 MSB Mechanical Sciences Block 5166
Research Scholars Room 4 CHL Department of Chemical engg 5167
Research Scholars Room 5 CHL Department of Chemical engg 5168
Research Scholars Room 6 CHL Department of Chemical engg 5169
Research Scholars Room 7 MSB Mechanical Sciences Block 5170
Research Scholars Room 8 NAC1 443 New Academic Complex 5173
Research Scholars Room 9 MSB 149 Mechanical Sciences Block 5175