| Code | DEF | Operator | Use | Notes
|
| 8200 | | | |
|
| 8200 | 10-79 | BT | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8200 | 80&81 | MCI WorldCom Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8200 | 82 | ntl Group Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8200 | 83-91 | MCI WorldCom Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8200 | 92 | Pipemedia Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8201 | | | |
|
| 8201 | 02 | Danemere Street Creative | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8201 | 21 | O-Bit Telecom Limited | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8201 | 60-64 | Manx Telecom | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8202 | | | |
|
| 8202 | 00 | Tiscali UK Limited | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8202 | 10 | Redstone Communications Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8202 | 20 | Cable & Wireless Plc | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8202 | 22 | Griffin Information Systems Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8202 | 34 | Thus Plc | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8203 | | | |
|
| 8203 | 21&22 | Kingston Communications (Hull) Plc | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8203 | 33 | Eircom UK Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8204&8205 | | | |
|
| 8205 | 00 | Jersey Telecom | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8205 | 55 | Bibliotech Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8206&8207 | | | |
|
| 8207 | 20-29 | Cable and Wireless (Energis) | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8208 | | | |
|
| 8208 | 20 | Easynet Group Plc | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8208 | 22 | Affiniti Integrated Solutions Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8208 | 27-57 | BT | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8208 | 60 | Prodigy Internet Ltd | Internet for Schools (1 block required per Service Provider) | 10 Digit Numbers
|
| 8209-8299 | | | |
|