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Q: MIT Telephone Number Information

  • What are the PSTN exchange numbers that MIT owns?
  • What are the blocks of phone numbers MIT owns?


  • MITvoip
  • 5ESS
  • Personal SIP


  • When giving out or publishing MIT phone numbers, give the full 10-digit number.
  • To locate the phone number for a specific department or individual, please use the MIT Directory Search.

IS&T Contributions

Documentation and information provided by IS&T staff members

Last Modified:

December 12, 2018

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