Understanding Dial Assist on iPhone: A Comprehensive Guide

Dial Assist on iPhone is a nifty feature that automatically adds international and local prefixes to phone numbers, making it easier to call numbers in different countries. If you’ve ever been puzzled by which codes to use when calling abroad, or if you’re simply looking for a way to streamline your phone usage, understanding and using Dial Assist could be a game-changer for you. Let’s dive in and make sense of this handy iPhone tool.

Step by Step Tutorial: Using Dial Assist on iPhone

Before we jump into the how-to, it’s important to know what Dial Assist does. When enabled, it automatically formats phone numbers with the correct international or local prefix based on your current location and the location of the number you are dialing. This means you can dial numbers as if you were local, no matter where you are in the world.

Step 1: Open the Settings app on your iPhone

Navigate to your home screen and tap on the ‘Settings’ icon to begin.

The Settings app is where you’ll find most of the customizable options for your iPhone. It’s the go-to place for tweaking anything from your wallpaper to your privacy settings.

Step 2: Scroll down and tap on ‘Phone’

Once you’re in Settings, swipe up until you find the ‘Phone’ menu option.

The ‘Phone’ section is your hub for all things related to calls and contacts. From here, you can access your voicemail settings, respond with text, and, of course, turn on Dial Assist.

Step 3: Tap on ‘Dial Assist’ to toggle it on

In the ‘Phone’ settings, locate ‘Dial Assist’ and switch it on by tapping the toggle.

When the Dial Assist feature is enabled, the toggle will appear green. This means it’s active and ready to assist you with your international and local calls.

Once you’ve enabled Dial Assist on your iPhone, you can start dialing numbers without worrying about adding the correct prefixes. The feature works in the background to ensure that your calls are connected correctly, whether you’re dialing a local restaurant or a business contact on another continent.

Tips for Using Dial Assist on iPhone

  • Always make sure your iPhone’s ‘Region’ settings are correct to ensure Dial Assist works properly.
  • If you’re traveling, Dial Assist can be invaluable. Remember to turn on the feature before you leave.
  • Note that using Dial Assist does not prevent additional charges for international calls. It’s wise to check your carrier’s rates before making calls abroad.
  • If you’re having trouble with Dial Assist, try toggling it off and on again, or check for an iOS update.
  • Keep in mind that while Dial Assist can format numbers automatically, it might not work with all numbers, especially if they are not formatted correctly in your contacts.

Frequently Asked Questions

Does Dial Assist work with all carriers?

Dial Assist should work with most carriers, but it’s always best to check with your specific carrier to make sure.

Will Dial Assist prevent roaming charges?

No, Dial Assist only formats numbers. Roaming charges will still apply according to your carrier’s policies.

Can I use Dial Assist for all international calls?

Dial Assist works for most countries, but there may be exceptions. Always double-check if you’re unsure.

Does Dial Assist work if I’m using a third-party calling app?

Dial Assist is designed to work with the iPhone’s native Phone app. It might not work with third-party apps like WhatsApp or Skype.

What should I do if Dial Assist isn’t working?

Make sure the feature is enabled, check your region settings, and ensure you’re running the latest version of iOS. If it’s still not working, contact Apple Support.


  1. Open the Settings app.
  2. Navigate to ‘Phone’ settings.
  3. Toggle on ‘Dial Assist’.


Dial Assist on the iPhone is a simple yet powerful feature that takes the guesswork out of dialing international and local numbers. Whether you’re a frequent traveler or someone who makes international calls regularly, it’s a feature that can save you time and avoid frustration. Remember, while it automates the process of adding prefixes, it doesn’t exempt you from carrier charges, so be mindful of that when making calls. With this guide, you should now have a clear understanding of Dial Assist and how to use it, so go ahead, give it a try, and make your phone usage a little bit smarter.