Lock BSNL Landline with BSNL Dynamic Locking System


How to lock BSNL landline outgoing call with dynamic locking number system and How to activate fixed line call divert digitally? Is there any charges for both the provisions and can we bar the local and STD calls separately and what to do if we forgot BSNL landline lock code? Is it similar to BSNL PUK lock?

Let’s come to the topic, What is BSNL Dynamic lock facility and How can it be used by the phone user? Is this locked facility will applicable for all fixed line including WLL customers and the broadband users of the country.

BSNL number lock system is absolutely a FREE service from our telecom brand. Any customer of Individual or Enterprise and broadband services who provides with landline facility can avail this Dynamic Lock facility. Here is the simple procedure to activate BSNL landline lock.

BSNL Dynamic Lock system is a facility to control the improper use of Landline/WLL telephone without a necessary authorization of telephone subscriber who has owned the BSNL Landline service type. It results in controlling the phone bill with simple number blocking procedure for outgoing calls. Means you can lock your telephone electronically at any time with a simple password/secret code which you have chosen.

Lock BSNL Landline
Lock BSNL Landline

Dynamic Lock Registration

At first, you have to create your password. It is a one-time registration for BSNL dynamic locking facility.

  • Select a four-digit secret code and Dial 123 followed by the secret code twice without any delay.
  • Example:- 123-XXXX-XXXX (where the code “X” may be any numeric no).
  • Wait for an acceptance tone (busy tone with a long duration.) acknowledging the command and after then disconnect the call.
  • The subscriber can remember this code and keep it a secret, do not share with anybody.

How to lock BSNL landline outgoing call ?

After the registration steps of above, you can proceed with the following BSNL Landline Lock Codes for barring of local, STD, and ISD facilities individually with the following secret codes to bear various type of calls on the fixed line.

Dial Code Facility to deactivate on BSNL landline
124XXXX1 (wait for beep sound ) Barring of STD / ISD calls
124XXXX2 (wait for beep sound ) Block 95 level
124XXXX4 (wait for acceptance sound ) Lock all outgoing calls on landline

How to open BSNL landline lock

At any time, you can activate or unlock BSNL landline calls as per your requirement with the following unlock codes.

Dial Code Facility to deactivate on BSNL landline
124XXXX0 (wait for beep sound ) Allow all Local / STD / ISD calls
124XXXX3 and wait for acceptance sound Allow LOcal and STD calls
124XXXX5 (wait for beep sound ) Enable all Local and 9 Level calls

How to Reset BSNL Landline Lock Password

The best method to avoid total unauthorized usage is Resetting Password. If a subscriber changes their BSNL landline lock code frequently, then there is no chance of hacking by others. Here is how to change the 4-Digit secret code on your landline.

  • Dial 123 followed by existing code and followed by the newly chosen password.
  • Example: Dial 123XXXXABCD ( XXXX-Old code, ABCD is new numeric secret code), and wait for the acceptance tone and then disconnect. Your new secret password will now be “ABCD.”

What to do if forgot landline lock code

Ensuring the security against unauthorized unlocking on Fixed /WLL phone, the number system will reject the command if the BSNL landline lock code has used as incorrect. If an incorrect number code used nine times, the telephone bars permanently on the last status. It is a kind of system like PUK blocked BSNL SIM card.

At this situation, there is no need to worry if you forgot the locking code,  just follow about how to reset BSNL landline lock password and continue the services as usually.

Process 1

  • Approach BSNL customer service center and submit your representation for dynamic lock reset.
  • Immediately all the facilities will reset by the exchange in-charge of BSNL on getting a written request from the concerned landline customer.

Process 2

Login to BSNL Customer Care Portal Account, and submit online request to reset the lock password

No charges for resetting the BSNL dynamic lock facility in any of the two modes. So every customer of urban and rural landline services will utilize BSNL dynamic lock code system to avoid the unauthorized usage. With all the above-detailed steps, now you may know how to lock the fixed line simply and also how to reset if required.

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