| Krystalli Kosta Street | 13342 | Rest of Attica | Attica |
| Ktenidi Filona Street | 19200 | Rest of Attica | Attica |
| Kydoni Dimitriou Street | 13342 | Rest of Attica | Attica |
| Kydonias Street | 13343 | Rest of Attica | Attica |
| Kydonias Street | 19300 | Rest of Attica | Attica |
| Kydonion Street | 19014 | Rest of Attica | Attica |
| Kydonion Street | 19200 | Rest of Attica | Attica |
| Kykladon Street | 19001 | Rest of Attica | Attica |
| Kykladon Street | 13341 | Rest of Attica | Attica |
| Kykladon Street | 19300 | Rest of Attica | Attica |
| Kykladon Street | 19001 | Rest of Attica | Attica |
| Kyklaminon Street | 19015 | Rest of Attica | Attica |
| Kyklaminon Street | 19014 | Rest of Attica | Attica |
| Kyklaminon Street | 13343 | Rest of Attica | Attica |
| Kyknon Street | 19015 | Rest of Attica | Attica |
| Kyllinis Street | 19006 | Rest of Attica | Attica |
| Kyllinis Street | 13341 | Rest of Attica | Attica |
| Kymis Street | 19015 | Rest of Attica | Attica |
| Kymis Street | 13341 | Rest of Attica | Attica |
| Kymis Street | 13461 | Rest of Attica | Attica |
| Kymothois Street | 19200 | Rest of Attica | Attica |
| Kynaigeirou Street | 19200 | Rest of Attica | Attica |
| Kyparissias Street | 19100 | Rest of Attica | Attica |
| Kyparissias Street | 19006 | Rest of Attica | Attica |
| Kyparissias Street | 19001 | Rest of Attica | Attica |
| Kyparissias Street | 13341 | Rest of Attica | Attica |
| Kyparission Street | 13343 | Rest of Attica | Attica |
| Kyprion Agoniston Street | 19001 | Rest of Attica | Attica |
| Kyprou Byway | 19600 | Rest of Attica | Attica |
| Kyprou Square | 19100 | Rest of Attica | Attica |
| Kyprou Street | 19015 | Rest of Attica | Attica |
| Kyprou Street | 19015 | Rest of Attica | Attica |
| Kyprou Street | 19015 | Rest of Attica | Attica |
| Kyprou Street | 19015 | Rest of Attica | Attica |
| Kyprou Street | 19015 | Rest of Attica | Attica |
| Kyprou Street | 19011 | Rest of Attica | Attica |
| Kyprou Street | 19015 | Rest of Attica | Attica |
| Kyprou Street | 19014 | Rest of Attica | Attica |
| Kyprou Street | 19014 | Rest of Attica | Attica |
| Kyprou Street | 19012 | Rest of Attica | Attica |