Message on my iPad states it has been locked by Apple and to call

Scam.

See >>> Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support

If you are unsure of the source or provenance of a message or alert, do not respond to, or engage with, the message. Certainly do not, under any circumstances, attempt to contact anyone using the contact details that may have been provided within the message itself. If you need to verify a message from Apple, make independent contact with Apple Support.

Most scam alerts are designed to scare the unwary into giving away sensitive information - or to fool you into doing something that you shouldn’t - usually to defraud you financially.

If you suspect that your AppleID has been compromised, follow the advice outlined here:

If you think your Apple ID has been compromised - Apple Support

All such messages are scams presented by criminals, 100% of the time, no exceptions.

Close the offending page and avoid sites that are involved in such bogus advertising tactics.

https://discussions.apple.com/docs/DOC-8071

Those messages are always scams. Dismiss and ignore it.

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