Request to port cell number

Took out a 20 Feb 2016, and request that my current no. be ported, I was told it's weekend they do not do that weekends and I will be contacted the following day , no contact from them as promised tried phoning them 22-26 Feb 2016 couldn't get through on the numbers provided went back 27 Feb was again promised that my number would be ported later the day up until now nothing