How to Update Contact Phone Number on iPhone: A Step-by-Step Guide

Updating your contact phone number on an iPhone is a breeze. Simply head to your contacts list, select the contact whose number you want to update, tap ‘Edit’ in the top-right corner, change the number, and hit ‘Done’ to save. It’s that straightforward!

After you complete the action, the updated contact information will immediately be saved in your iPhone’s contacts list. This means that the next time you go to call or message that person, the new number will be used.

You can also check out this video about how to update a contact’s phone number on an iPhone for more on this topic.


Picture this: you’ve just been given a new number by your friend, family member, or colleague. You whip out your iPhone, ready to update their contact details, but alas, you’re stumped on where to start. Fear not, for I am here to guide you through the simple process of updating a contact phone number on your trusty iPhone.

Why is this information necessary, you ask? Well, keeping your contacts up-to-date ensures that you’re always just a tap away from connecting with your important people. Whether it’s for personal reasons or professional connections, having the right phone numbers at your fingertips is crucial in this fast-paced world. This task is relevant to pretty much everyone with an iPhone – and let’s face it, that’s a lot of us!

Related: iOS 17: How to Delete Contacts on iPhone Quickly and Easily

Step by Step Tutorial: Update Contact Phone Number on iPhone

Before diving into the steps, let’s clarify what we’re about to do. We’re going to update a phone number in your contacts list, so it reflects the current, correct number for the individual you wish to reach.

Step 1: Open Contacts

Open the ‘Contacts’ app on your iPhone, or navigate to your contacts list through the ‘Phone’ app.

In the Contacts or Phone app, you’ll find your entire list of contacts. Scroll or use the search function to locate the contact you need to update.

Step 2: Select Contact

Tap on the contact whose phone number you want to update.

Once you’ve tapped on the specific contact, their details will be displayed, showing the current phone number and any other information you’ve saved.

Step 3: Tap ‘Edit’

In the top-right corner of the contact’s details page, tap the ‘Edit’ button.

Hitting ‘Edit’ will allow you to modify all the details of that contact, including their phone number, email address, and even their photo.

Step 4: Update the Phone Number

Delete the old phone number and type in the new one.

Be sure to double-check that you’ve entered the correct number. You wouldn’t want to save the wrong number and end up calling a stranger!

Step 5: Tap ‘Done’

Once you’re satisfied with the new number, tap ‘Done’ in the top-right corner to save the changes.

After tapping ‘Done,’ the updated contact information is stored immediately. There’s no need to do anything else; your iPhone takes care of the rest.


Ease of useThe process is incredibly user-friendly, making it accessible for users of all ages and tech-savviness.
Immediate updateChanges are saved instantly, ensuring you always have the most current contact information at your disposal.
No data lossYou’re simply updating a number, not deleting any other valuable information from the contact.


Potential for errorIf you’re not careful, you might enter the wrong number or edit the wrong contact.
No automatic updateUnlike some social media platforms, contact numbers on iPhones must be manually updated.
Dependence on iCloudIf you’re not using iCloud, your updated contact details won’t sync across your Apple devices.

Video About Updating Phone Numbers

Additional Information

When updating a contact phone number on your iPhone, it’s important to note that if you have iCloud Contacts enabled, your changes will sync across all your Apple devices. This means that the updated contact info will be available on your iPad, MacBook, or any other device logged into your iCloud account – pretty neat, right?

It’s also worth mentioning that if you’ve shared this contact with others, they won’t automatically receive the updated number. You’ll have to let them know to update it on their devices too. And if you’re feeling a little hesitant about losing the old number, you can always add a new phone number field instead of replacing the existing one. This way, you keep both numbers just in case.

Remember, updating contact phone numbers keeps your social and professional network strong and intact. It’s a small, yet significant task in managing your digital life.


  1. Open the ‘Contacts’ or ‘Phone’ app.
  2. Select the contact to update.
  3. Tap ‘Edit’.
  4. Update the phone number.
  5. Tap ‘Done’ to save changes.

Frequently Asked Questions

What if I accidentally update the wrong contact?

Simply go back into the contact, tap ‘Edit’, and correct the phone number. Don’t forget to tap ‘Done’ to save the changes.

Will the updated contact info sync across all my devices?

Yes, if you have iCloud Contacts enabled, the updated information will sync across all your Apple devices logged into the same iCloud account.

Can I add a second phone number instead of replacing the old one?

Absolutely! You can add multiple phone numbers to a single contact by tapping ‘add phone’ while in the ‘Edit’ mode.

What should I do if I update my own phone number?

Update your contact card in the Contacts app and share your new number with friends, family, and colleagues.

How do I make sure I don’t lose the old number?

You can keep the old number by adding a new phone number field instead of deleting the old number.


Updating your contact phone number on an iPhone is a simple task, but it holds significant importance in ensuring seamless communication. Whether it’s for staying in touch with loved ones, networking with colleagues, or anything in between, keeping your contact list current is an essential piece of the digital puzzle.

Remember, the key is to proceed with caution to avoid any mix-ups. With the steps outlined above, you’ll be a pro at updating phone numbers in no time. And if you ever find yourself stumped, just revisit these instructions, and you’ll be back on track. Happy updating!