Originally Posted by Methos1979
Make sure your old iPhone is off. When I went from iPhone to Android, my iPhone was still on so even though I was sending texts to people when they replied their texts went to my old iPhone. This seemed to only happen with people replying FROM an iPhone.
If it's iPhone/iMessage related you'll have to go into iCloud and dis-associate your phone# with iMessage. I just did this as I came over from an iPhone and had to do the above so any messages would now hit my new Note 3.