i was texting with my stepmom the other day ago, and all was good. she initiated the text, so it came through and i was just replying and it was going through. in my contacts i didnt have her area code as a prefix, i tried to send her a text from scrap, right away it said please use 10 digit blah blah.

so i went in and added the area code, tried again, and i cant text her, not unless she texts me first. if she sends the first text everything is fine.

any ideas why this would happen? ive added the area code...