Link Your Cell Phone to the CURP: In-Person or Online Process

Web Editor

December 19, 2025

a woman holding a cell phone and a credit card in her hand while she is looking at it with a smile,

Introduction

Starting January 2026, it will be mandatory for Mexican citizens to register their mobile lines under their names. This article will guide you through the requirements, step-by-step processes for both in-person and remote registration, and consequences of not complying with the deadline set by the National Registry of Population (CRT).

Who is this relevant for?

This change affects all Mexican citizens who own a mobile phone. The purpose of this registration is to strengthen national security and streamline communication between the government and its citizens.

Relevance of the change

The CURP (Clave Unica de Registro de Poblacion) is a unique population registry code assigned to every Mexican citizen and foreigner residing in the country. By linking your mobile line to your CURP, you contribute to a more secure and efficient communication system. This move is part of the Mexican government’s efforts to modernize public services and enhance national security.

Registration process

In-person registration

  1. Visit your nearest CRT office with a valid ID (INE, passport, or voter’s ID).
  2. Fill out the registration form (Form MIG-19) provided by the CRT.
  3. Submit your form along with your ID and mobile line’s proof of ownership (e.g., contract, bill).
  4. Wait for the confirmation of successful registration.

Online registration

  1. Access the CRT’s official website or mobile application.
  2. Fill in your CURP and personal details accurately.
  3. Upload a clear image of your mobile line’s proof of ownership (contract, bill).
  4. Submit the digital form and await confirmation.

Consequences of non-compliance

Starting January 2026, mobile lines not registered under a CURP will be subject to temporary suspension. This measure aims to encourage citizens to comply with the new regulation and contribute to a safer communication environment.

Key Questions and Answers

  • What is the CURP? The Clave Unica de Registro de Poblacion (CURP) is a unique population registry code assigned to every Mexican citizen and foreigner residing in the country.
  • When does the registration become mandatory? The registration of mobile lines to CURP becomes obligatory starting January 2026.
  • How can I register my mobile line? You can register in-person at your nearest CRT office or online through the official CRT website or mobile application.
  • What documents do I need for in-person registration? Bring a valid ID (INE, passport, or voter’s ID) and proof of mobile line ownership (contract, bill).
  • What happens if I don’t register my mobile line? Mobile lines not registered under a CURP will be temporarily suspended starting January 2026.