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