BSNL Balance Check, Validity Check & Other Important USSD Codes (2021)

As we all know, BSNL (Bharat Sanchar Nigam Limited) is the first and the state-owned most popular telecom operator in India.

It is sometimes a quite challenging task to find the important USSD (Unstructured Supplementary Service Data) codes list for BSNL Mobile subscribers to perform certain operations like balance check, validity check & other similar certain functions to track their usage & validity details.

Like the other telecom operators, BSNL also lets users check various things via USSD codes. With these codes, a subscriber can perform actions such as balance check, validity check, check plans, and a lot more. Here, we have listed some of the important BSNL USSD codes that will be useful.

BSNL Balance Check, Validity Check & Other Important USSD Codes List :

The below mentioned codes are 100% working codes for all BSNL MOBILE subscribers, if you find any wrong codes listed here, please comment below, so that we can update the list.

Note : USSD Codes may change in the near future according to the policies and of the telecom service provider guidelines at any time.

Function(s)	Code	Alternative Codes (if any)
BSNL Balance Check	*123*1#	*123#
BSNL Validity Check	*123*1#
BSNL Data (GPRS) Balance Check	*123*8#
BSNL SMS Balance Check	*123*1#	*123*5#
BSNL 4G/3G Data Balance Check	*124#
BSNL Caller Tune Status Check
BSNL Know Your Number (Own Number Check)	*1#	*222#
BSNL Last Call Charges Details	*102#
BSNL Customer Care Number	1503	1800-180-1503

In this article we have tried to post the most important USSD codes for your daily usage needs, we hope you like this article, if you want the complete list of all BSNL Mobile USSD codes list, then leave your comments below. So that we will try to publish another article in-depth regarding the same.

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Frequently Asked Questions:

Q1. What is a USSD code?

Ans: A USSD code also known as the Unstructured supplementary service data and referred to as a ‘Quick Code’ used for certain kinds of tasks.