Facebook 2FA Recovery Assistance

My personal Facebook profile is locked behind two-factor authentication that I can no longer complete. I still control both the email address and phone number on the account, yet every recovery path that should send a code to either of them fails to appear... (Budget: ₹600 - ₹1500 INR, Jobs: Account Management, Facebook API, iPhone, Mobile App Development, Objective C, Social Media Management, Swift, Technical Support)