The reddit page registered by the Counterparty Team is reddit.com/r/counterparty_xcp

Important clarification:reddit.com/r/counterparty was not registered by the Counterparty team; it was registered by prophetx, who is the communications lead for Mastercoin; reddit.com/r/xcp was also not reigstered by the Counterparty team, and both of its moderators appear to be associated with Mastercoin, as well.