How to Check BSNL Balance? Latest BSNL Enquiry USSD Codes & Steps! June 7, 2022January 22, 2022 by EarningTips How to Check BSNL Balance? Are you searching BSNL (Bharat Sanchar Nigam Limited) USSD codes to check balance? In this post, I will give complete details about BSNL facilities and related codes.