So the Ignore contact option just means that it will no longer suggest that specific contact to be added to your contacts. You can still receive all of their messages.
Also know, why can I not see my contacts on my iPhone?
Launch the Contacts app and tap "Groups." Check off "All on My iPhone" to display your contacts stored on your iPhone's hard drive. You might have cloud accounts linked to your iPhone, such as Gmail or iCloud. These accounts will also appear in your group lists.
How do I unhide my contacts on my iPhone?
Inaccurate cloud screen names, passwords or settings can prevent your iPhone from syncing with contacts stored on your cloud accounts. Open the "Settings" menu and tap "Mail, Contacts, and Calendars." Select an account, such as Gmail or iCloud. Make sure that the Contacts option is switched on.
How do you hide your phone number on iPhone?
With those caveats out of the way, here's how to call someone who has blocked you on their iPhone. You need to disguise your caller ID, which will prevent the receiving iPhone from knowing which number is calling. Open the Settings app, then go to Phone, and select 'Show My Caller ID'. Slide this to the off position.