The number of GSM subscribers in the country is rising steeply and it becomes essential for the authorities to assign new number series for the Telcos. The new number allocation will make the previous allocations null and void. MSC codes are allocated to Idea Cellular, Vodafone West Limited, Telewings Communications Services Private Limited and Bharti Airtel.
Additionally the MSC codes in the 94 series have been allocated to BSNL, spreading across various service areas. DoT has issued directions for rearrangement of MSC codes in the 94 series for 7 LSAs given below