Mobile users in Mexico whose numbers end in 2 must complete the identification procedure for their prepaid lines before September 15, 2026, to avoid potential service restrictions. ^[1] The Comisión Reguladora de Telecomunicaciones (CRT) in Mexico established a staggered calendar for identifying mobile lines linked to their owners, with the phase for numbers ending in 2 concluding on September 15, 2026. ^[2] After the deadline passes, operators have up to 72 hours to gradually suspend services for unregistered lines, affecting calls, texts, and data while maintaining access to emergency numbers and earthquake alerts. ^[3] To complete the registration, users must provide their phone number, valid official identification, and CURP validation directly to their service provider via digital platforms or in-person at customer centers. ^[4] Of the suspended lines ending in 1, 1,162,793 have been reactivated after completing the linking process. ^[5] Telecom companies have a grace period of up to 72 hours after the September 15, 2026 deadline to apply progressive restrictions to unregistered lines. ^[6] The Commission for Regulatory Telecommunications (CRT) mandates that prepaid lines without registration will face a gradual suspension of services if the deadline is missed. ^[7] The Comisión Reguladora de Telecomunicaciones oversees the linking of phone lines to CURP, Mexico's national identification system. ^[8] During a suspension, users maintain access to emergency numbers, civil protection alerts, and their operator's customer service channels. ^[9]