A premium number is a number with digits as per your wish, besides being unique in its look it will operate like any other network number wherein it will receive and make one call at a time. So it is one number with single point operation. And A Virtual number is a number with a set of numbers associated with it. It acts face number, which can receive and make multiple calls at the same time through the set of numbers connected to it. So it is one number with the multipoint operation.
The premium numbers can be chosen based on your preference. It can be any special date like birthdays or anniversaries, or a special series of number. Premium number can also be the car or bike number for people who wish to have special phone number. The premium numbers can be on the basis of numerology suggestions as well.