In that case, there's not much that can be done, and also I think there's a stronger assumption of those numbers being disposable (at least for calling US famil

In that case, there's not much that can be done, and also I think there's a stronger assumption of those numbers being disposable (at least for calling US family members and whatnot, plus just not being used as much to make legit international calls). But as far as US companies, I think the FCC stepping in would be appropriate if the FCC authorizes blocking their traffic.