AO - some of the channels 'higher up Freeview' are 'inaccessible' without an internet connection.

This might explain why, Interactive channels 300-320 would need an internet connection I would Imagine, as would the MHEG services

Freeview channel numbers change on September 19th 2012
Following a consultation earlier in the year, from lunchtime on Wednesday 19th September, you will have to retune to get the new numbers allocated to some Freeview channels; in particular those used for News, Adult, Children and high definition services.

Following a consultation earlier in the year, from lunchtime on
Published on 1st August 2012 at 16:06 by Brian Butterworth
DMOL (DTT Multiplex Operators Ltd), the company that manages the channel numbers used on Freeview, have decided to make some changes to the allocations to allow the Freeview platform to grow over the next three to five years.

The changes will happen from lunchtime on Wednesday 19th September 2012. In summary the changes are:

Adult channels move to 171-198
News channels move to 131-150
Children's move to 121-130
Proposed changes to the News and Children's genres will be put on hold pending the outcome of an appeal by Sky. All other changes will continue as planned on 19 September 2012.
HD channels move to 101-120
General entertainment channels now have 1-99
Text services move to 200-224
MHEG services move to 225-299
Interactive channels stay on 300-320
IPTV channels move to 400-499
Radio stays at 700-750
Manufacturer allocation remains 800-899



Adult channels move to 171-198
The "adult" channels on Freeview move up from 92-99 to start from 171. Channel 170 and 199 will be "bookend" pages to note the presence of the adult channels for those who flick up and down the channels.

171 Television X; 172 smileTV2, 173 smileTV3, 174 Babestn, 175 PARTY, 176 Blue, 177 Babestn2, 178 Playboy.

News channels move to 131-150
131 BBC NEWS, 132 BBC Parliament, 133 Sky News, 134 Al Jazeera 6-8, 135 Al Jazeera Eng, 136 Russia Today, 137 Community. Proposed changes to the News genre will be put on hold pending the outcome of an appeal by Sky. All other changes will continue as planned on 19 September 2012.

Children's move to 121-130
121 CBBC; 122 CBeebies, 123 CITV. Children's genre will be put on hold pending the outcome of an appeal by Sky. All other changes will continue as planned on 19 September 2012.

HD channels move to 101-120
The "normal" order of channels is restored to HD:

101 BBC One HD; 102 BBC HD [or BBC TWO HD]; 103 ITV1 HD or STV HD; 104 Channel 4 HD; 105 S4C Cirlun.

Note that S4C Cirlun is due to close at the end of the year. BBC TWO HD is planned to replace the BBC HD channel at some point in 2012.

General entertainment channels now have 1-99
There will be twice as many channel numbers now for "general entertainment", allocated on a first-come first-served basis. Most channels do not move numbers, except

48 Food Network; 49 The Jewellery Channel.

Channel 8 is reserved for the Local TV services in England and Northern Ireland, 45 for Local TV in Scotland and Wales.

100 is a "Navigation page", but only on Freeview HD.
Text services move to 200-224
200 BBC Red Button; 201 Teletext Holidays; 202 Rabbit; 203 Gay Rabbit; 204 1-2-1 Dating; 205 Mail Travel; 206 Sky Text.

MHEG services move to 225-299
225 VISION; 226 CCTV; 227 Sports Tonight; 228 Connect 1; 229 Connect 2; 230 Connect 3; 231 Racing TV; 232 The Space.

Interactive channels stay on 300-320
301 301; 302 302; 303 301 HD; 304 Channel 0; 305 TUTV Anytime 1; 306 TUTV Anytime 3; 307 TUTV Anytime 5; 208 TUTV Anytime 6.

IPTV channels move to 400-499
These will be used in future.

Radio stays at 700-750
No changes to radio.

Manufacturer allocation remains 800-899