The HD channel for Disney Channel on comcast is 244
Disney Jr is not available in HD yet on Comcast
Channel 879 on HD
259
807
894
It is 188, I'm not sure for HD
If You Have Comcast Its On 249 That's The New Channel
Comcast in Nashville, Tennessee broadcasts the SEC Channel on 718 SD and 1738 HD.
Nickelodeon, which is 679 (HD) 40 (non-HD)
Disney is channel 25 and nick is 24
3 for normal 703 for HD