xTRIxEDGEx's dashboard

Are other short codes being blocked by T-Mobile, other than the twitter code? I tried using my cell phone for paying for Acclaim coins (virtual currency used for online games) and to pay for runescape members service. and they both said that T-Mobile does not support short codes, even though it worked about March of this year the last time i used it. are they doing the same thing with other codes that they did with twitter?