The HD channel for Disney Channel on comcast is 244
Disney Jr is not available in HD yet on Comcast
879
Channel 879 on HD
807
894
It is 188, I'm not sure for HD
Comcast in Nashville, Tennessee broadcasts the SEC Channel on 718 SD and 1738 HD.
Nickelodeon, which is 679 (HD) 40 (non-HD)
In the Charleston, SC area, NCBSN is on channel 163 on WOW, or on 992 on the HD channel. The channel it is on may vary depending on your location.
Channel 603 is NBCS-HD on Direct TV. It moved to channel 220 near the other sports channels.
3 for normal 703 for HD