BSNL is going to reach 100 million tele subscribers across the country. This is really a huge breakthrough for BSNL as, being a PSU sustaining the market after globalization also. BSNL is the Best Telecom Service Provider in all aspects is the one word, and it is carrying even since after Globalization considering many aspects like BSNL Service in Landline, Broadband and GSM Mobile Services(GSM Plan, STV Enquiry USSD /SMS), Penetration into the remotest villages, working with social commitment.

To maintain the same, BSNL is also upgrading its infrastructure to meet the numbers which are driving BSNL high. BSNL is upgrading its Prepaid Mobile Intelligent Network to offer best services and also to support future growth further more to maintain its brand “BSNL the best Telecom service Provider in India”.

Coming to the details BSNL has installed and commissioned its new Intelligent Network at Trichy for handling BSNL GSM Mobile Customers. The new installed Intelligent Network switch can handle 82.5 million calls at a time. AP, Kerala & Tamilnadu has migrated to the New Intelligent Network Switch as on 01.01.2015.

This new installation is related for BSNL South Zone (Andhrapradesh, Kerala, Karnataka, Tamilnadu) mobile customers only and this new Trichy based Intelligent Network will enable BSNL Prepaid Mobile Customers to offer best world class telecom services to its subscribers of BSNL South Zone with many facilities like GSM Plans, STV details etc.. on enquiry with simple USSD  / SMS Codes .

With the new Intelligent Network Switch Migration at Trichy, all the Prepaid Mobile users of Andhrapradesh, Kerala, Karnataka and Tamilnadu will have all the facilities at a time with single step. One more thing is that Key words of SMS s for BSNL Balance Enquiry which we used to send to 53733 is going to change to 123 and various USSD codes are changed to one single code *124#. The details are given below.

BSNL South - GSM Mobile Prepaid Balance, STV, Recharge & Plan Change Inquiry New USSD Codes

Code	Particulars	Description
on Dialing *124#, you will get the details as below
Press 1 - Balance		It shows as:- Main A/c Balance Rs.10.0000 Exp: Date: 31/12/2014 Plan: Pyari Jodi, Press 9 to go back to Main Menu or 0 to exit
2 - Recharge	1 - Voucher Recharge	Pls enter your 18 digit secret code followed by #
	2 - Third Party Recharge	Dial the target mobile No & secret code in <10 digit number>*<18 digit secret code># format
	9 - To go back to Main Menu or 0 to Exit
3 - STV	1 - STV Enquiry
	2 - STV Subscribe	Please Choose STV type 1 - GPRS / DATA (2G/3G) 2 - VOICE (Limited & Unlimited Voice) 3 - SMS(Volume Based SMS) 4 - ROAMING FREE 5 - COMBO 6 - ISD Enter your choice
	9 - To go Back to Main Menu or 0 to Exit
4 - FNF	1 - FNF View	On your FNF list you have: 9443100123. Press 9 to go back to main menu or 0 to exit
	2 - FNF Add	Enter the 10 digit number followed by #
	3 - FNF Modify	Enter the old and new number in <old number>*<new number>#
	9 - To go back to Main Menu or 0 to Exit
5 - Plan Change		Please Choose New Tariff Plan Name:1. Per Sec, 2 Per Min.. 3....
*123#	Plan Name, Main Account Balance & Expiry date
*124*2#  (or) Send SMS STVENQ to 123	Get Details of Subscribed Bundle STVs (Special Tariff Vouchers)

BSNL Prepaid Mobile Enquiry /Activation SMS Codes

Activity	SMS Keyword to 123
For FNF Registration	FFE <10 Digit Number>
For FNF Modification	FFM <Old Number> <New Number>
For FNF View	FNFLIST
Pyari Jodi Add	FFL <LL Number 11 Digit>
Paramilitary/Jai Jawan	PMF <10Digit Number>
Enquiry of Subscribed STV	STVENQ
For STV LIST	STVLIST <SMS / VOICE / COMBO / GPRS / ROAM / ISD>
For STV Subscription	STV <STV Keyword>
Balance Enquiry	BAL
Top Up Voucher Recharge	RC <18 Digit Secret Code>
Last Call Details	LAST
Last 5 Calls	LAST5
To list the Eligible Mobile Plans for Migration	PLANLIST

With Mobile Number Portability (MNP) in place, Kerala is having highest subscribers who are migrating to BSNL mobile services from different service providers. Total of around 9.2 Lakh users had migrated to BSNL using MNP. In that 3.35 lakh users had come to BSNL after this switch migration, ie., with in one month 3.35 Lakh user migration to BSNL using MNP. Good news for BSNL.

With all the above SMS and USSD Mobile codes for various mobile service activation's and enquiries, BSNL Prepaid Mobile customers including Roaming customers of south zone can know the Data Balance, SMS Balance, Voice Balance and subscription details with validities by using a simple SMS/USSD codes as above to enjoy the World Class Telecom Mobile Services in a large extent.