You don't say where you are abroad but we always recommend searching manually for another network.
Also, you could take your sim out of the phone, clean it gently and reinsert, then reboot the phone.
It's probably a mast problem where you are, so until it's fixed, there is nothing else to offer really.
Hope you get it sorted soon.
*The Game Is On*
Use Skype to call customer service to check your account for any issues.
Hi @LeMansIndy500 did you get this sorted?
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