National Mobile Phone User Registry 2026: The Complete Guide and Key Deadlines to Avoid Being Disconnected

This is no longer just a rumour or a "it depends". If you've heard talk of the National Mobile Phone User Registry in recent months and thought it was just one of those boring administrative tasks that no one ends up checking, let me tell you: you’d better change your mind, and fast. The date is set, and 30 June is the day that will change the way we use our phones in Mexico for good. It doesn’t matter if you’re on a contract or if you top up with credit every week – if you’re not in the registry, your line will stop working. No two ways about it.

What exactly is the National Mobile Phone User Registry?

Let’s set the scene. Until a year ago, buying a SIM was as easy as grabbing a sandwich from a corner shop. You’d pop into a store, they’d hand over a SIM without asking too many questions, and that was it. That led to a massive problem: thousands of lines with no identified owner, used for extortion, virtual kidnappings, or simply to switch networks whenever it suited. The National Mobile Phone User Registry is the authorities’ answer to getting this mess under control. In essence, it’s a database that links every phone number – yes, both contract and pay-as-you-go – with a CURP (Mexico’s official ID number). The idea is to eliminate "ghost" lines. And although progress was slow at first, things have ramped up in recent months much faster than many expected.

What’s the situation? The numbers that matter

To give you an idea, until a few weeks ago it was estimated that only around 14% of users were registered. That means about 22 million lines were already in order. But it also means there are still tens of millions of numbers hanging by a thread. And government offices have been clear: there will be no more extensions. If you’re not on the registry before 30 June, your number will be blocked, whether it’s Telcel, Movistar, AT&T or any other provider. So don’t pretend you didn’t see the warning, because when you find yourself without signal during a long weekend, you’ll remember this guide.

Your survival guide: How to use the National Mobile Phone User Registry

I’ll be honest: the first time I tried to do this, I almost gave up too. The website gets overloaded, the details don’t match, or you simply don’t know where to start. But after several phone calls and patiently helping more than a few friends, I’ve now figured out the foolproof way to do it. Here’s the step-by-step so you don’t run into trouble.

• Get your CURP and official ID ready: Sounds obvious, but a lot of people trip up because the CURP they remember doesn’t match the one on their voter ID card. Get your latest CURP from the RENAPO website – don’t rely on the one you downloaded back in 2015.
• Go to the IFT website or your provider’s page: Most companies already have a mini-site for this. If you’re on a contract, you can even do it through their app. Pay-as-you-go users need to be extra careful.
• Fill in the form calmly: You’ll be asked for your number, your exact name as it appears on your ID, and your CURP. Double-check every letter. A mistake in your date of birth or a misplaced accent can mark you as "unregistered".
• Confirm with the SMS code: You’ll receive a text message. Enter that code into the system. If it doesn’t arrive, wait a few minutes or check you have credit. Yes, sometimes you need credit too.
• Save the confirmation: Once you’re done, you’ll be given a reference number. Take a screenshot, print it out, or scribble it on a post-it note. That little piece of paper is your proof that you’ve done your bit.

Experience review: How easy – or difficult – is the process?

If you’re looking for an honest National Mobile Phone User Registry review, here it is: it’s a gamble. For some, it takes five minutes. For others, it’s a weeks-long headache. The most common complaint is that the systems aren’t properly synchronised. Plenty of people have told me they tried to register, the system said "data does not match", they went to their provider, and the provider said everything was fine. The reality is that the National Mobile Phone User Registry still has its technical glitches. But that’s no excuse. If you get an error, the best advice is to go directly to one of your provider’s customer service centres. Take your voter ID with you, and they’ll sort it out. It’s a pain, yes, but it’s better to lose an afternoon at the shopping centre than to find yourself disconnected in July.

The dates that are set in stone

Officials have been unequivocal: it’s now official, all numbers not linked to a CURP before 30 June will be blocked. This started back in January as a "voluntary regularisation" phase, but we’re now in the final stretch. The difference is that this time there will be no exceptions. Providers are obliged to cut off the signal. And that includes both contract and pay-as-you-go users. It was initially said this only applied to new numbers, but they’ve now made it clear that’s not the case. The goal is to clean up the entire database.

In my neighbourhood, the conversation is constant: "Have you registered yet?". And those who have left it to the last minute are now the ones scrambling. If you don’t want to be one of them, you know what to do. Don’t put off until tomorrow what you can do today, because the closer we get to the deadline, the more overloaded the websites and the longer the queues will be.

And if you’re feeling lost and don’t know where to start, any mate can lend a hand. The process is simpler than it looks, but it does require you to pay attention. So get your voter ID out, find your CURP, and get on with it. Your phone line will thank you for it.