I have a few different numbers on my account and am trying to view the numbers I have been texting, but none of the imessages are showing up and it is very important that I can see the right numbers!!
iMessages do not need to be a number, it can be an email address also.
You can try this:
On the message at the top right it will Details - click on that
To the right of the person's name click on the i button
One of the address entries will be all blue, and the rest will be black. The blue entry is the number or email the imessage is being sent to or from.