Informed sources forming part of the ongoing probe confided that most of these phone numbers could belong to rich and influential persons.
The racket reportedly targetted wealthy individuals, particularly big-time politicians and bureaucrats and later extorted them.
In another honey trap case in the city, a businessman lost his cash and valuables to a gang that claimed to provide escort services.
The Army had a few days ago expressly directed personnel on the force not to join any social media like the Facebook and Twitter, besides chat groups like WhatsApp.
In a curious case of honey trapping, a 25-year-old man was caught by the police for sexually exploiting as many as 58 women.
The 28-year-old clerk was sharing secret information of strategic importance through social media platforms like Facebook, WhatsApp and Instagram with a woman for a long time
Based on inputs, police traced the gang to Vadapalani and arrested six men on Tuesday early morning.
Kerala: Woman journalist forced to change statement in AK Saseendran 'sleaze talk' matter, says Congress
In March 2017, Saseendran resigned as Transport Minister over an audio clip in which he is heard having a lewd phone conversation with the journalist.