Dissapointing Service

I am really dissapointed with your delivery service this week.On the first attempt to deliver ,I realized I made a typo on the cell number, instead of 3992 ,I wrote 3662 ,I contacted Hi-Tech to correct it ,Hi-Tech said they updated their delivery partners which I believe is You.Still today third attempt cell phone number not updated on your system as I found out from your customer service line ,and now because it is a 3rd attempt the parcel might go back.Now I don't understand something ,if the delivery person calls and doesn't reach you ,they don't come at all?Because on all those 3 occasions the parcel was expected ,no hooter ,nothing outside.On the day of the first attempt I even received my Take-a-Lot order ,so I mean can someone enlighten me ,after trying to call you don't go to the address?