Interesting. I was not aware that the location would make any difference. My last 2 applications from my home at Buri Ram went through swimmingly; Maybe it won't when switching Immigration offices...oh well.
It doesn't matter which province you are in when you submit an online 90 day report. It's the address that you are reporting as your home address that matters. If you do a report online whilst in Buriram and specify your home address as Jomtien/Pattaya, then it is the Jomtien/Pattaya office that receives and processes the report.