<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by EWR-COflyer:
I will confirm later, but I think that the ones in IAH changed, or at least the C Terminal is different from D Terminal.</font>
Confirmed.
IAH Terminal C North and South P-Clubs: just dial local number (no 9, no a/c)
IAH Terminal D: 9,281