| Netzkennzahl | Kurzname |
| 01011 | O.tel.o |
| 01013 | Tele 2 |
| 01014 | EWE TEL |
| 01015 | Maestro |
| 01019 | Freenetphone |
| 01023 | Versatel
Süd |
| 01024 | 01024 |
| 01024 | Telepassport |
| 01026 | 01026 |
| 01028 | Telebinder |
| 01028 | Tiscali |
| 01028 | ProNet |
| 01029 | 01029
Telecom |
| 01033 | Telekom |
| 01035 | 01035
Telecom |
| 01038 | 01038
Telekom |
| 01041 | HanseNet |
| 01043 | KielNet |
| 01046 | Versatel
Nord |
|
| Netzkennzahl | Kurzname |
| 01050 | Next
ID |
| 01051 | 01051 Telecom |
| 01055 | prompt |
| 01056 | 01056 |
| 01058 | 01058 Telecom |
| 01063 | 01063 |
| 01070 | Arcor |
| 01071 | 01071Telecom |
| 01074 | 01074
tellfon GmbH |
| 01078 | 3U |
| 01079 | Star
79 |
| 01080 | Telegate |
| 01081 | 01081 |
| 01086 | One.tel |
| 01088 | Debitel |
| 01090 | BT
Germany |
| 01092 | Fonissimo |
| 01094 | Startec |
|
