Hello everyone, a silly question here but when one is advised to 'ask directly to your local IO', in my case Chaengwatthana. Where do you go and ask your questions directly?

I often find the front desk at the entry pretty much clueless and/or with a poor understanding.

Do I need to ask and probably disturb the officers at the counters inside, where people has a queue number already? Or is it there any useful information area in the building?

Thank you for your help.