The iPhone doesn't have a native feature for creating contact groups. You must import contact groups from Outlook on your PC, create groups on iCloud, or sync groups from other cloud services.

Sending group emails and messages is painful if you have to add recipients one by one to the “To” field. It’s far easier to set up groups of contacts (‘colleagues’, ‘family’, ‘5-a-side teammates’ and ...

The Contacts app on your iPhone lacks the ability to create or delete groups, but this limitation is resolved by your iCloud account. By logging in to this online account, you can access your full ...