NO SERVICE!!!

Nashua Mobile has moved all MTN customers over to the MTN base. I have had my cell contract with Nashua for 5 years and never once had a problem. As soon I was moved over to MTN my problems started. I pay my monthly fee via EFT on the 27th of every month and never have I had an unsuccessful payment. Last month on the 20th I received an sms stating that I was overdue on my account and if I do not pay by the 23rd my account will be suspended. I then called to correct my date of payment. I was assured that everything was sorted out. This month the exact same thing happens and I am constantly receiving sms' s saying that my account is overdue. I try continuously to contact mtn and either get cut off or have to wait 30 minutes then get cut off. As a valued and loyal customer I am most dissapointed with the service or rather lack there of. You can guarantee that I will not be renewing my contract which ends in a few months. And MTN has lost yet another customer. Its not the fact that the error took place... mistakes happen... its that I rectified the problem yet it still persists. Thank You MTN. Angry Customer