| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|
| 2646 | Bad Neuenahr-Ahrweiler | Rhineland-Palatinate | 27,823 | Germany | Europe/Berlin |
| 2647 | Kesseling | Rhineland-Palatinate | 637 | Germany | Europe/Berlin |
| 2655 | Langenfeld, Rhineland | North Rhine-Westphalia | 59,378 | Germany | Europe/Berlin |