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Settings > apps > all > phone > clear data > restart your phone > check if that works
I'm assuming that you are using the preloaded phone app and not a third party app?
Hi all thanks for reply how embarrassing I checked my bill date and I'd missed payment by a day so payed my bill and it was fine so I'm assuming that was why it wouldn't let me call even though I could call till they answered I'm assuming it was my network provider letting me know my bill was due haha strange thing I could still text and phone though