Binance.us is a version of Binance that is intended for the US only due to the heavy regulation. You can use Binance only outside the US.
The exchange that has a p2p feature is on a Binance version only not on the Binance.us version.
VPN might good option but it should be used upon creation if you start using a VPN but upon your current situation, it will change the IP address that was recently used which might put your account at high risk.
See this for the big list of p2p exchange platforms including p2p.
[BIG LIST] Buy/Sell Crypto (OTC, P2P, DEXs, CEXs, NO-KYC, ATMs, etc.)