Transfer contacts from other accounts.

Use contacts from other accounts. To use your iCloud contacts, go to Settings, tap iCloud, and turn on Contacts. To use your Google, Yahoo, or Microsoft Exchange (GAL) contacts, go to Settings, tap Mail, Contacts, Calendars, select the account, and tap to turn on Contacts. To import contacts from a SIM card, go to Settings, then Mail, Contacts, Calendars, and tap Import SIM Contacts.

by via Apple - Support - Most Recent - iPhone