NO DELIVERY???? 4 MONTHS AGO

I ordered a parcel from the us in November, got a sms message of a delivery hat never happened. Am Phoning...No answer...Am sending TRACK AND TRACE FOR LEGAL PURPOSES. NO ANSWER. EP ********** 58US S A POST OFFICE CUSTOMER SERVICE AGENT KHOLIUSA.....BACK UP YOUR EMAIL AND SEND MY PARCEL OR ADVISE WHERE THE HECK IT IS!!!!