International Telephony Information

Links to international communications regulators, telephone numbering authorities, and related international telephony information.


The two primary agencies responsible for regulating and managing India's telecom sector are the DOT and TRAI.

  • India Department of Telecommunications - DOT is responsible for national telecom policy and licensing as well as development and investment in the telecom industry.
  • Telecom Regulatory Authority of India - TRAI is responsible for regulation of landline, mobile, internet, and other communications providers.
  • India National Numbering Plan [large pdf] - This plan published 2003 by DOT provides detailed information on telephone numbering throughout India.
  • Study Paper on the National Numbering Plan [pdf] - Study published Apr 2009 by TRAI that provides some recommended changes to the National Numbering Plan.
  • India Calling Info - Additional India telecom industry links.

United States / North America



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