You can send your billing questions or issues to billing@there.com anytime. We are typically able to respond to e-mails within 12-24 hours (not including weekends).
Or, FOR BILLING ISSUES ONLY, you can our reach the Account Services department via There Live Help. The hours of live support are Monday – Friday, 12PM – 6PM Pacific time. We are also available at 1-866-4UTHERE during this timeframe.