Bharat Sanchar Nigam Limited (BSNL) has restricted the international calling facility (ISD) for its Prepaid Mobile connections. Earlier, the facility of making ISD calls was activated for all prepaid mobile users of BSNL. 
BSNL has barred the ISD outgoing facility as per the directives from Telecom Regulatory Authority of India (TRAI). BSNL Prepaid Mobile Customers who require ISD facility can activate the same by sending a simple SMS to 53733.
ISD Activation / Deactivation SMS Format for BSNL Prepaid Mobile Customers
- To Activate ISD Facility in your BSNL Prepaid Mobile, just type ACT space ISD and send it to 53733.
- To Deactivate ISD Facility in your BSNL Prepaid, just type DEACT space ISD and send it to 53733.
BSNL Prepaid Mobile Customers can also activate ISD facility by calling BSNL Customer Care : 1503
ISD Activation / Deactivation Procedure for BSNL Postpaid Mobile Customers
ISD facility can be activated for BSNL Postpaid Mobile Customers by submitting application for ISD facility along with Rs 2000 as security deposit in the local BSNL Customer Service Centre (CSC).
BSNL also offers Cheapest & Economical ISD Calling Offers in both Prepaid & Postpaid Mobile Services. It’s details are given below:
Dear readers, whether blocking ISD facility on Prepaid Mobile customers will reduce the problem of unwanted account balance deduction of Prepaid mobile customers from Anonymous ISD Numbers?
21 Comments
BSNL ISD BSNL pre paid customers, currently enjoying ISD facilities, should inform the BSNL if they feel to continue the option. Otherwise, the ISD facility for prepaid customers will be withdrawn by December 31, a press release on Tuesday said. Those who wish to continue ISD facility, should SMS to 52271 as ISD (space) Y
Any of these code is not working
It is working with "ACTISD YES" and send to 123
Unable to send massage
It's working thank you…
ACT ISD to 53733
Well information… Thank you.
thank you
Hi. Thanks for the information. For me
ISD Y to 52271 – dosen't work 🙁
ACT ISD to 53733 – Works !!
Sending messege to 53733 failed
ACT ISD to 53733 failed. Even "ACTISD YES" and send to 123 isn't working.
Showing me error code 28. Couldn't send message.
SMS "ISD Y" to 52271 works in BSNL-Karnataka Circle, received acknowledgement from them for processing.
How to activate from prepaid mobile in ISD facility for limited périod ?
ACT ISD SEND BY 53733 BUT NOT WORK
ACT ISD Send to 53733, but no result.
Is there any activation charges?
for denmark any isd plan is there
How to activate in UAE now no have network coverage
ACT ISD ISNOT WORKING
ACT ISD is not working kindly help me
From muscat how can activate it and network signal not showing.pls help
Isd call not working