In order to migrate your current mobile number to a new mobile service provider (mobile number portability), following a series of steps, you need to get the Unique Porting Code (UPC) from the current service provider.
The UPC code can be taken from your existing operator.
Simply send an SMS to 1900 with the content
PORT ten-digit-mobile-number
The Unique Porting Code allocated to a subscriber shall be valid for a period of fifteen days from the date of request or such time till the number is ported out, whichever is earlier, for all service areas except Jammu & Kashmir, Assam and North East licensed areas where the validity for the Unique Porting Code allocated to a subscriber shall be valid for a period of thirty days from the date of request or till such time the number is ported out, which ever is earlier, irrespective of the number of requests the subscriber makes.
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