The following tips apply equally to both Android and iPhone. The only difference, of course, is that the iOS interface is a slightly different design. But it’s all still in the same place.
If this is a new contact, make sure their phone number is first added to your Google Contacts app (or your iOS Contacts app), along with the proper international and local dialing code. If you don’t know the dialing code for a particular country, you can find it here. Now restart your WhatsApp app and begin a new conversation in Chats. This will bring up all your contacts who have registered their phone number to a WhatsApp account.
How to find someone on WhatsApp without adding/saving a number
What if you want to have a one-off discussion with someone on WhatsApp? Maybe with a business associate or someone you’re not likely to talk to a second time? You may decide in that instance that you don’t want to go to all the bother of adding them to your contact book. In that case, WhatsApp number we have previously covered sending someone a WhatsApp message without saving the number first.
What if the contact doesn’t have WhatsApp yet?
WhatsApp has an “invite a friend” function to give someone a link to install WhatsApp. When their account is made, B to B Database they need to tell you the account has been set up — WhatsApp doesn’t notify you. When you invite them to WhatsApp, all the person receives is a direct download link to the app.