I've been asked for my iPhone's SIM number. How do I find it?

How to find the SIM number on your iPhone: What is a SIM number?

Your iPhone's SIM number is technically called the ICCID, which stands for Integrated Circuit Card Identifier. It usually consists of 19 or 20 characters, and is both printed on your SIM card and stored inside it.

The ICCID is a unique serial number and is specific to your SIM card. It's one of the terms defined in our dictionary of tech jargon.

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How to find the SIM number on your iPhone: Why would I need my iPhone's SIM number?

There are lots of occasions when it would be useful to know your iPhone's SIM number.

You could be asked to provide it when registering your phone, changing phone number, accessing online services from your mobile network or for other verification reasons. It is also useful to know it in case your iPhone gets stolen.

We would therefore suggest you take note of it now; you're likely to need it in future, and in the case of theft, you won't be able to find the ICCID easily after disaster strikes.

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How to find the SIM number on your iPhone

The most obvious way of finding your SIM number, or ICCID, is to take the SIM out of your phone and read the digits off the card itself. Generally speaking you'll need the last 6 digits. But a slightly quicker and more convenient method - and a much quicker and more convenient method if you can't find the SIM card removal tool - is to read it from the iPhone's Settings.

Getting your SIM number, or ICCID, through your iPhone is very straightforward. Here are the steps you need to follow to get your SIM number.

  1. Open Settings on your iPhone
  2. Scroll down the list until you'll reach the General tab and tap on it
  3. Click on the 'About' tab
  4. Scroll down the list until you'll see 'ICCID' and a series of number beside.

How to find your iPhone's SIM number

How to find your iPhone's SIM number

That's your SIM number! Take note of it, it might be helpful.

Bear in mind, however, that the number listed here under ICCID is likely to be slightly different from the number printed on the back of the SIM card: we found that the iPhone gave us a longer number. But you'll see that the key part of the two numbers - the last six digits - is the same.

Read next: How to insert a SIM card and How to unlock an iPhone so you can use any SIM

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