| Iroon Polytechneiou Square | 14122 | Heraklion Attica | Attica |
| Isminis Street | 14122 | Heraklion Attica | Attica |
| Isokratous Street | 14121 | Heraklion Attica | Attica |
| Ithakis Street | 14121 | Heraklion Attica | Attica |
| Ivis Street | 14121 | Heraklion Attica | Attica |
| Kalama Street | 14121 | Heraklion Attica | Attica |
| Kalavryton Street | 14121 | Heraklion Attica | Attica |
| Kallikratous Street | 14122 | Heraklion Attica | Attica |
| Kalomoiri Manoli Street | 14121 | Heraklion Attica | Attica |
| Kalpakiou Street | 14121 | Heraklion Attica | Attica |
| Kalvou Andrea Street | 14231 | Heraklion Attica | Attica |
| Kalymnou Street | 14121 | Heraklion Attica | Attica |
| Kanari Konstantinou Street | 14122 | Heraklion Attica | Attica |
| Kandanou Street | 14121 | Heraklion Attica | Attica |
| Kapodistria Ioanni Street | 14121 | Heraklion Attica | Attica |
| Karagianni Lelas Street | 14122 | Heraklion Attica | Attica |
| Karagiorgi Steliou Street | 14121 | Heraklion Attica | Attica |
| Karakonstantinou Street | 14122 | Heraklion Attica | Attica |
| Karaoli & Dimitriou Street | 14122 | Heraklion Attica | Attica |
| Karatza Panagioti Street | 14121 | Heraklion Attica | Attica |
| Karkavitsa Andrea Street | 14122 | Heraklion Attica | Attica |
| Karkavitsa Street | 14451 | Heraklion Attica | Attica |
| Karyatidon Street | 14121 | Heraklion Attica | Attica |
| Karyotaki Kosta Street | 14121 | Heraklion Attica | Attica |
| Karytainas Street | 14121 | Heraklion Attica | Attica |
| Kasou Street | 14122 | Heraklion Attica | Attica |
| Kastamonis Street | 14121 | Heraklion Attica | Attica |
| Kastellorizou Street | 14121 | Heraklion Attica | Attica |
| Katsantoni Antoni Street | 14121 | Heraklion Attica | Attica |
| Katsouli Prokopi Street | 14121 | Heraklion Attica | Attica |
| Kazantzaki Nikou Street | 14121 | Heraklion Attica | Attica |
| Keas Street | 14121 | Heraklion Attica | Attica |
| Kefallinias Street | 14121 | Heraklion Attica | Attica |
| Kerkyras Street | 14122 | Heraklion Attica | Attica |
| Kifisias Street | 14121 | Heraklion Attica | Attica |
| Kithaironos Street | 14122 | Heraklion Attica | Attica |
| Kleisouras Street | 14121 | Heraklion Attica | Attica |
| Kleisthenous Street | 14122 | Heraklion Attica | Attica |
| Knosou Street | 14121 | Heraklion Attica | Attica |
| Kolokotroni Theodorou Street | 14121 | Heraklion Attica | Attica |