Involuntary autocorrect in operation on mobile device. Apologies in advance.
joker97: Do you have imessage turned on in the past? If so log of every device you ever used imessage on, rinse and repeat. Then post results.
johnr: Have you got examples time / date / A number?
Everytime I look into these A party is sending to incorrect number
Nothing is impossible for the man who doesn't have to do it himself - A. H. Weiler
quickymart: Can number portability affect SMS delivery?