You'll need to go to Settings, then iCloud. Turn the Contacts toggle to the off position. Next, turn Contacts back on, and they should be restored to your device through iCloud. See if the names of the missing contacts are there beside the numbers again.
How do I view my Contacts on Google?
- Open Gmail on your Mac or PC in a web browser.
- Click the Google apps button (it's shaped like a grid) at the top-right, next to your account icon.
- Click Contacts.
- Contacts will now launch, and you can use it to add, find, edit, and manage your contacts.
Where are my Contacts on this phone?
- On your Android phone or tablet, open the Contacts app .
- At the top left, tap Menu . See contacts by label: Choose a label from the list. See contacts for another account: Tap Down arrow. pick an account. See the contacts for all your accounts: Choose All contacts.