Why can’t I make calls??but I can receive calls

Welcome to Apple Support Communities.

See: If you can't make or receive calls on your iPhone - Apple Support.

For more help, contact your mobile carrier.

Jack

dinga20 Said:

"Why can’t I make calls??but I can receive calls: Why can’t I make calls it keeps on saying my settings won’t allow the call to go through"

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Whom to Contact:

Contact your Carrier, as they are the one who provide you with the service of Cellular.