| USSD Detail | Short Code |
| Bsnl Balance & Validity Check Code | *123# |
| Bsnl SIM Mobile Number Check Code | *222# | *888# | *1# | *555# |
| Bsnl 4G Data Balance Detail Check Code | *124# |
| Bsnl Recharge with Coupon Code | *124*2# |
| Start/Stop Bsnl VAS Service | *543# | Send ‘Stop’ to 155223 |
| Bsnl Last Call Details Check | *124*3# |
| Bsnl Current Tariff Plan Detail Check | *124*4# |
| Bsnl Talktime Balance Transfer Service | *567*99# | *543*99# |
| Take Bsnl Advance Talktime Loan | *518# |
| Bsnl GPRS Internet Settings | Follow URL |
| Activate Bsnl Caller Tune | *567# |
| Activate/Deactivate Bsnl DND Service | Send SMS ‘Start 0’ to 1909 |
| Port Bsnl Mobile Number | Send SMS PORT |
| Bsnl Customer Care & Complain Number | Call on 1503 | 1800-180-1503 |
| Bsnl Web SelfCare Service | Follow URL |
These were the Bsnl Codes to check the information of the different services, Android smartphones users can download BSNL App to manage all of Bsnl services, Balance, and usage information.
