look news india
There is a very important news for smartphone users. If you also immediately block or mark spam calls coming from unknown numbers, then now you will have to change this habit of yours. The Telecom Regulatory Authority of India (TRAI) has made it clear that no caller ID app or user can block, tag or filter calls coming from the 1600 number series.
According to the regulator, this number series is completely secure and reserved for essential services, hence it cannot be categorized as spam.
Why is 1600 number series so special? (Why 1600 Series is Important)
According to TRAI, the 1600 number series has been specifically earmarked for calls related to essential services and transactions of central and state governments and financial regulated institutions (such as banks and insurance companies). The phone calls coming from this series may contain important information related to your banking, government schemes or other important services. Therefore, instead of considering it as spam just by looking at the number, it would be beneficial for you to pick up the call and understand its purpose.
Rules for 140 Series & DND
Along with this, TRAI has also clarified the situation regarding 140 number series. This series is used only for promotional calls of registered telemarketers. No app can tag these calls as fraud or spam.
However, if you are troubled by such promotional calls and want to stop them, then you can Do Not Disturb (DND) Registry You can register your choice in. user for this TRAI DND App Or you can easily set your DND priority through other official means, after which commercial calls from selected sectors will stop.
Truecaller’s big claim (Truecaller Data on Unanswered Calls)
On the other hand, Rishit Jhunjhunwala, CEO of the famous caller ID app Truecaller, has made a shocking claim. According to PTI report, in recent times there has been a huge increase in calls coming from 140 and 1600 number series.
The company claims that about 5.1 crore calls coming from these two series are not picked up by people every day (remain unanswered). Additionally, there has been a 208% jump in cases of users manually blocking 1600 series calls since October 2025 and more than 7.4 crore blocking actions have been registered against these numbers in the last eight months.