My iPhone 5 won't let me text certain people?

Alright, so on thursday night all of a sudden my text message wouldn't go through to this certain person. I tried resending it, and each time it would show the text message bar (right under the contact's name) saying "sending… " but once the sending progress bar reaches roughly 3/4th's finished, it'll just stop and the text message will put up an exclamation point (meaning that the message was not sent). I looked into it, and at first thought she blocked me, despite her saying she can't text me either. I assumed she'd blocked me and just left it at that and continued on. When I was texting another contact, the same things happened. I asked her and she too said that it wouldn't let her text me back. While researching this problem, I found out that maybe the IOS 6 software update that came out a few days ago was causing this problem as others have been experiencing it as well. Currently, it won't let me text those two people, but every one else works fine. I have resorted to Facebook messaging them, but I'd prefer texting since it's faster! Any advice or information is welcome. Thanks!

PS: I already edited their contact information, putting a "1" in front of the area code for long distance and that did not work.

Aha that happened to me on my iPhone… I called my phone company and they sorted it for me

Oh, i have that problem too! I don't know how to fix it either, so i can't help. Sorry!

Well join the club my friend, I have just upgraded to the Iphone 5 and changed networks, they sent out the wrong sim, it did fit, and got me up and running, but with lots of restrictions, when I contacted the new company ( Tmobile), they said I had the wrong sim and would send a new one, well now they have completely barred the one I have, and I'm hoping my new one will arrive tomorrow
so much for progress

  • YouTube on my iPhone and IPod won't let me watch certain videos? At random times I try to watch a video like a lyrics video. Today I was gonna watch chasing the sun by the wanted and YouTube said "you do not have permission to access the required resource" I have no restrictions keeping me from watching anything and it just recently started doing that.
  • Why won't my verizon iPhone 5 send messages to certain people? I have a friend who has verizon and it sends messages to him very fast and I have friends who have different carriers and it won't send to them. The send bar keeps on going and stops at the last second. I have turned it off and on again and I have reset my network settings. Nothing has worked at all.
  • Why won't iTunes let me put certain songs onto my iPhone? ITunes used to work fine until recently. Now there are certain songs or artists that won't drag and drop onto my iPhone. Any answers?
  • Why won't Facebook let me move certain photos to certain albums? I want to move certain photos to certain albums and when I click on "edit album" then i hit this arrow button on the picture and when i hit "move to another album" it gave me an option of 2-3 albums to put the picture into. What should I do? The picture i have in the album was from my iPhone that i currently don't have anymore and that's the last picture of it! Please help me! I don't wanna erase the album or any other!