MrTwix

Below are the available DirecTV HD channels as of this date:

001 - 74 - Universal HD
002 - 76 - Discovery HD Theater
003 - 78 - HDNet Movies
004 - 79 - HDNet
005 - 202 - CNN HD
006 - 206 - ESPN HD (same as channel 73)
007 - 209 - ESPN2 HD (same as channel 72)
008 - 212 - NFL HD
009 - 220 - Big Ten Net HD
010 - 231-1 - Food Network HD
011 - 242 - USA HD
012 - 244 - SciFi HD
013 - 245 - TNT HD (same as channel 75)
014 - 247 - TBS HD
015 - 255 - MGM HD
016 - 265 - A&E HD
017 - 267 - Smithsonian HD
018 - 269 - History HD
019 - 273 - Bravo HD
020 - 276 - National Geographic HD
021 - 278 - Discovery HD (different than channel 76)
022 - 280 - TLC HD
023 - 282 - Animal Planet HD
024 - 284 - Science HD
025 - 355 - CNBC HD
026 - 362 - Weather Channel HD

Premium Channels
027 - 501 - HBO HD (same as channel 70)
028 - 504 - HBO West HD
029 - 512 - Cinemax HD
030 - 514 - Cinemax West HD
031 - 518 - Starz K HD
032 - 519 - Starz C HD
033 - 520 - Starz HD
034 - 521 - Starz West HD
035 - 522 - Starz East HD
036 - 537 - Showtime HD (same as channel 71)
037 - 538 - Showtime 2 HD
038 - 540 - Showtime West HD
039 - 544 - The Movie Channel HD