National Numbering Plan


  • Recently the Telecom Regulatory Authority of India (TRAI) has recommended that a new National Numbering Plan be issued at the earliest so that a uniquely identifiable number can be provided to every subscriber in India.

About the NNP

  • The management of numbering resources is governed by the National Numbering Plan.
  • The Department of Telecom administers the numbers for fixed and the mobile networks based on the ITU’s Telecommunication Standardization Sector (ITU-T) recommendations.
  • TRAI has recommended automated allocation of numbering resources be done using number management system software to speed up the process

Broadly, the TRAI has recommended:

  • switching to an 11-digit mobile number,
  • reallocation of mobile numbering resources surrendered by operators who have shut shop and
  • prefixing zero for all mobile calls made from fixed line

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