Unsure if you can answer this, but this info is not utterly impossible to find by trial and error, so it's not concretely private.
Are you saying there's more than one 710 number? [Just Y/N]
Are you saying there's more than one 710 number? [Just Y/N]
In a nice bit of timing, HN Replies (my HN notifier) grabbed the comment before it was deleted! It was interesting, so I'm anonymously adding it below:
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> I have seen first hand a large VoIP carrier reach out to an ITSP because one of their end subscribers was scanning the 710 number space either manually or not. And it was within a few minutes after the scan started. This type of activity (and others too) will set off all kinds of alarms at phone providers.