Can't send SMS updates to Twitter, but receive them just fine. (Not T-Mobile related.)

I know this has been hashed out a couple of times, but on search, it seems that it was always a T-Mobile problem.

Well, I'm with Rogers up here in Canada, and I can receive my messages from Twitter just fine, but when I send a message (and get confirmation on my phone that it was sent) to 21212, it never shows up on my Twitter page.

This problem only started about 36 hours ago. Fine before that. I have a feeling it might be a Rogers problem, but they aren't getting back to me.
 
sad I’m lonely without Twitter.
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