The basic steps to add someone to your WhatsApp contacts

To add a contact in WhatsApp, you need their phone number. Open WhatsApp, tap the menu icon (three dots on Android, or the compose icon on iPhone), select "New chat," and then choose "New contact." Enter their name and phone number with the country code, save it, and WhatsApp will automatically recognize them if they have an account. If they are already in your phone's address book, WhatsApp will show them in your chat list once you have their number stored there.

The process differs slightly depending on whether you are adding someone who is already in your phone's contacts or creating a brand-new contact from within WhatsApp itself. Both routes take less than a minute and do not require the other person to do anything on their end.

Key Takeaways

  • You need someone's phone number with the correct country code to add them to WhatsApp.
  • The fastest way is to add their number to your phone's address book first, then WhatsApp will recognize them automatically.
  • You can also add a contact directly within WhatsApp without touching your phone's address book.
  • The other person does not need to add you back for you to send them a message — they will see it when they open WhatsApp.

Adding someone already in your phone's address book

If the person's number is already saved in your phone, WhatsApp will show them in your contacts list automatically. Open WhatsApp, go to the Chats tab, and look for their name. If you do not see them yet, pull down on the screen to refresh the list. You can then tap their name to start a conversation.

This is the easiest route because you do not have to type anything into WhatsApp itself. Your phone's address book and WhatsApp stay connected, so any contact you add to your phone will appear in WhatsApp within a few seconds.

Adding a new contact directly in WhatsApp

On Android, open WhatsApp and tap the three-dot menu icon at the top right. Select "New chat," then tap "New contact." On iPhone, tap the compose icon (pencil and paper) at the top right, then tap "New contact." Either way, you will see a form asking for a name and phone number.

Type the person's name as you want it to appear in your chats. Then enter their phone number, making sure to include the country code at the beginning — for example, +1 for the United States, +44 for the United Kingdom, or +91 for India. Once you save the contact, WhatsApp will check whether that number has an account. If it does, you can message them when ready. If it does not, the contact will stay in your phone but you will not be able to send them a WhatsApp message.

Getting the country code right

The country code is the number that comes before the area code in an international phone number. It is always preceded by a plus sign (+). If you are adding someone in your own country, you may already know the code — +1 for North America, +44 for the UK, +61 for Australia. If you are unsure, you can search online for "[country name] country code" and find it in seconds.

WhatsApp will not work without the correct country code, even if the rest of the number is right. If someone tells you their number and you are not sure which country they are in, ask them directly. A number like 555-1234 means nothing to WhatsApp; it needs to be +1-555-1234 or whatever the full international format is.

What happens after you add someone

Once you have added a contact and they have a WhatsApp account, you can send them a message right away. They will see your message the next time they open WhatsApp, even if they have not added you back yet. You will appear in their chat list as soon as they receive your first message.

If the person does not have WhatsApp, you will not be able to send them a message through the app. You can still keep their contact in your phone for other purposes — calling, texting via regular SMS, or emailing — but WhatsApp will not connect you to them.

Editing or removing a contact

If you need to change someone's name or number after you have added them, open the chat with that person, tap their name at the top of the screen, and select "Edit." You can update their name or number from there. The changes will save to your phone's address book as well.

To remove a contact from WhatsApp, open the chat, tap their name, scroll down, and select "Delete contact." This removes them from your phone's address book entirely, so use this option only if you are sure you will not need their number for anything else. Deleting a contact does not delete your message history with them — those messages stay in the chat.

Privacy and safety when adding contacts

WhatsApp does not show your contacts your phone number unless you message them first. When you add someone, they do not get a notification that you have done so. They will only know you have their number if you send them a message or if they see you in their own contacts list.

If you are concerned about who can see your information, you can adjust your privacy settings in WhatsApp. Go to Settings, then Privacy, and control who can see your profile photo, status, and last seen time. These settings do not affect whether someone can message you, but they do limit what they can learn about you without opening a conversation.

Frequently Asked Questions

What if I add someone's number wrong?

WhatsApp will not send the message if the number is incorrect — it will show an error instead. Delete the contact, re-enter the number carefully (especially the country code), and try again. If you are still having trouble, ask the person to confirm their number digit by digit.

Can I add someone if I do not know their country code?

You will need the country code to add them properly. Ask the person what country they are in, search for that country's code online, and include it when you enter their number. Without it, WhatsApp will not recognize the account.

Will they know I added them to WhatsApp?

No. Adding someone to your contacts does not send them any notification. They will only know you have their number if you send them a message or if they see you in their own phone's address book.

What if they have WhatsApp but I cannot see them in my contacts?

Make sure you have saved their number to your phone's address book with the correct country code. Then close WhatsApp completely and reopen it — sometimes the contact list takes a moment to refresh. If they still do not appear, their account may be deactivated or they may have changed their number.

Can I add a business or group number to WhatsApp?

You can add any phone number, but WhatsApp accounts are tied to individual phone numbers, not business lines or shared numbers. If a business uses WhatsApp, it is usually one person's personal number registered to that business. Adding it works the same way as adding any other contact.