Mtn
Y mtn with not release my munbe

I want to port my number from mtn to vodacom .went 2 vodacom 2day n was told dat mtn donot want to release my number . i went u mtn chatsworth n was told that mtn with never do dat . i with like to know y fronm the 22nd of feb till today i cnt port my number.
my cell number is 0728215395