If you want to find someone on Instagram by phone number, first add them as a contact in your phone, then you can start finding people by syncing up your phone’s contact list.
Here’s how you can:
Step 1: First open the Instagram app and tap the profile icon at bottom right of the screen.
Step 2: Click the three lines in the top right corner to reveal the settings.
Step 3: Inside settings select the follow and invite friends option.
Step 4: Tap on the inviter contacts to sync your contact list Continue Reading