Lost phone along with authenticator codes

That is a WordPress.com blog, which we really can’t help with here.

To clear up any confusion, WordPress.com and ww.wp.xz.cn are two different entities: https://codex.ww.wp.xz.cn/WordPress_vs_WordPress.com

WordPress.com has complete documentation and support contacts at https://support.wordpress.com/

The steps at https://en.support.wordpress.com/account-recovery/ might help.