The NBTC continues its persistent crackdown on technology-related crimes. It recently revealed results from the March 2026 "Sim Horse" sweep, suspending 8,892 suspicious mobile numbers nationwide. Most of these were clustered in border areas. Mobile carriers have been ordered to enforce strict controls and report weekly.

NBTC pushes forward to suppress "Sim Horse" numbers to combat cybercrime.

Trairat Viriyasirikul, Deputy Secretary-General and Acting Secretary-General of the National Broadcasting and Telecommunications Commission (NBTC). He revealed progress on technology crime prevention measures, stating the NBTC remains committed to seriously tackling the "Sim Horse" issue.

The NBTC integrates cooperation with telecommunications licensees or all mobile phone service providers to screen mobile numbers exhibiting abnormal usage behavior. In March 2026, the NBTC ordered suspension of 8,892 such suspicious numbers nationwide.

Locations of "Sim Horse" proliferation found concentrated in border areas.

Data checks show that most technology crime-related number misuse remains concentrated in border provinces. Among the 8,892 suspended numbers, the distribution by area is as follows:

Chiang Rai Province: 1,943 numbers.
Sa Kaeo Province: 1,866 numbers.
Narathiwat Province: 1,526 numbers.
Nong Khai Province: 1,507 numbers.
Bangkok: 305 numbers.
Distributed across other provinces: 1,745 numbers.

Cumulative suspensions exceed 200,000 numbers; mobile carriers ordered to report weekly.

From 8 November 2025 to 17 March 2026, the NBTC has suspended over 234,721 numbers used abnormally nationwide as a result of ongoing measures.

Additionally, the NBTC has instructed all mobile service providers to intensify monitoring of abnormal phone number usage and to report findings to the NBTC weekly. This data will be used in collaboration with security agencies to strengthen protection and safety of citizens' lives and property, with progress reports provided to the public continuously.

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NBTC Cracks Down on Sim Horse Numbers, Suspends 8,892 Suspect Lines in March 2026, Finds Concentration Along Border Areas