| Komninou Diomidi Street | 14122 | Heraklion Attica | Attica |
| Kondylaki Ioanni Street | 14121 | Heraklion Attica | Attica |
| Konitsis Street | 14121 | Heraklion Attica | Attica |
| Konstantinoupoleos Street | 14122 | Heraklion Attica | Attica |
| Konstantopoulou Iros Street | 14122 | Heraklion Attica | Attica |
| Korai Adamantiou Byway | 14122 | Heraklion Attica | Attica |
| Korai Adamantiou Street | 14122 | Heraklion Attica | Attica |
| Korinthou Street | 14121 | Heraklion Attica | Attica |
| Korytsas Street | 14121 | Heraklion Attica | Attica |
| Korytsas Street | 14122 | Heraklion Attica | Attica |
| Kosma Aitolou Street | 14121 | Heraklion Attica | Attica |
| Kotopouli Marikas Street | 14121 | Heraklion Attica | Attica |
| Kountouriotou Street | 14122 | Heraklion Attica | Attica |
| Kozanis Street | 14121 | Heraklion Attica | Attica |
| Krinon Street | 14121 | Heraklion Attica | Attica |
| Kritis Street | 14122 | Heraklion Attica | Attica |
| Krystalli Kosta Street | 14122 | Heraklion Attica | Attica |
| Kykladon Street | 14122 | Heraklion Attica | Attica |
| Kymis Avenue | 14122 | Heraklion Attica | Attica |
| Kymis Street | 14121 | Heraklion Attica | Attica |
| Kyprou Street | 14122 | Heraklion Attica | Attica |
| Kyrineias Street | 14122 | Heraklion Attica | Attica |
| Kythirion Street | 14122 | Heraklion Attica | Attica |
| Lachana Street | 14121 | Heraklion Attica | Attica |
| Lamias Street | 14121 | Heraklion Attica | Attica |
| Larnakas Street | 14122 | Heraklion Attica | Attica |
| Lefkosias Street | 14122 | Heraklion Attica | Attica |
| Lerou Street | 14122 | Heraklion Attica | Attica |
| Logothetidi Vasili Street | 14121 | Heraklion Attica | Attica |
| Loui Spyrou Street | 14122 | Heraklion Attica | Attica |
| Makedonias Street | 14121 | Heraklion Attica | Attica |
| Makryoniti Markou Street | 14122 | Heraklion Attica | Attica |
| Mandilara Nikiforou Square | 14121 | Heraklion Attica | Attica |
| Maniakiou Street | 14121, 14122 | Heraklion Attica | Attica |
| Mantzarou Nikolaou Street | 14122 | Heraklion Attica | Attica |
| Marathonos Street | 14122 | Heraklion Attica | Attica |
| Matrozou Lekka Street | 14121 | Heraklion Attica | Attica |
| Megalou Konstantinou Byway | 14122 | Heraklion Attica | Attica |
| Megalou Konstantinou Street | 14122 | Heraklion Attica | Attica |
| Menelaou Street | 14122 | Heraklion Attica | Attica |