RTO Cube Farm too Loud for TEAMS Calls

With full RTO, is anyone else losing their minds over everyone around you talking at once while you’re having TEAMS calls? I’m in a cubicle farm in a large office, but my team members are spread out across the country. Even with fancy noise-canceling headphones, the constant background chatter and people around me also having their own calls make it impossible to think. I need to be on multiple TEAMS calls every day and lots of the calls are impromptu, so it’s not like I can book a conference room every day. Did I mention that our conference rooms are always booked?

Going crazy, how do I cope? Not everything can be communicated over email or TEAMS chats.