The aim of this research is to discover the operator competition position mobile phone prepayment such as Merk I, Merk II, Merk III, Merk IV and Merk V based on the consumers perception and the influence of emulation position to a mount of customer's in Malang. By using MDS analyze, the result is there are differences position of each operator prepayment based on consumers perception. By using cluster analyze, the result is 3 groups or segmentation that the first group are Merek I, Merek II and Merek III, the second is Merk V and the third is Merk IV The aim of this segmentation is to know the closet competition between mobile phone prepayment operator. Merk II is the close competitor of Merk I and Merk III , while Merk V is the close competitor of Merk IV. By the means of sector attribute sector analyzer, we are able to discover can get the advantage of every prepayment cell phone (mobile phone) operator's attribute. Merk I is chosen because of product attribute and personal traits, Merk II is chosen because of it's distribution attribute, Merk III because of it's process attribute, Merk V because of commercial attribute, while Merk IV because of the price. As we know the advantage of every operator, using the means of regression analysis we can see the influence of a competitor's position to the while customer's number from the 6 attribute, only commercial attribute had the most significant influence to the customer's decision, the result from every group or segment. First segment commercial attribute that had the most influence to the customer's decision, second segment is price attribute and personal traits, third is price attribute that had significant influence to customer's decision.