FYI, the mods fixed my suspended account just now (I had the same US roaming issue), and were real nice about it. They're pretty backed up (took 12 days to respond to me) so if they havn't fixed your situation by now, they will reach out soon.
I had the exact same problem a couple weeks ago, and have yet to get a response after PMing the mods. I think they are maxed out. Mine expires Dec 25th so I'm hoping someone will contact me before then! I also tried adding $20 for a second US trip la...