| Ippokratous Street | 16346 | Ilioupoli Attica | Attica |
| Irakleitou Street | 16341 | Ilioupoli Attica | Attica |
| Irakleous Street | 16345 | Ilioupoli Attica | Attica |
| Iras Street | 16343 | Ilioupoli Attica | Attica |
| Irodotou Street | 16343 | Ilioupoli Attica | Attica |
| Iroon Polytechneiou Street | 16341, 16342 | Ilioupoli Attica | Attica |
| Isavron Street | 16345 | Ilioupoli Attica | Attica |
| Isminis Street | 16343 | Ilioupoli Attica | Attica |
| Ithakis Street | 16342 | Ilioupoli Attica | Attica |
| Ivis Street | 16346 | Ilioupoli Attica | Attica |
| Kadmou Street | 16343 | Ilioupoli Attica | Attica |
| Kalama Street | 16346 | Ilioupoli Attica | Attica |
| Kalavryton Street | 16346 | Ilioupoli Attica | Attica |
| Kallergi Dimitriou Street | 16341 | Ilioupoli Attica | Attica |
| Kalvou Andrea Street | 16346 | Ilioupoli Attica | Attica |
| Kalymnou Street | 16346 | Ilioupoli Attica | Attica |
| Kanari Konstantinou Street | 16343, 16345 | Ilioupoli Attica | Attica |
| Kanaria Square | 16345 | Ilioupoli Attica | Attica |
| Kapodistria Ioanni Street | 16345 | Ilioupoli Attica | Attica |
| Karachaliou Ioanni Street | 16342 | Ilioupoli Attica | Attica |
| Karagianni Lelas Street | 16342 | Ilioupoli Attica | Attica |
| Karaiskaki Georgiou Street | 16342 | Ilioupoli Attica | Attica |
| Karamanli Konstantinou Street | 16341 | Ilioupoli Attica | Attica |
| Karampati I. Street | 17236 | Ilioupoli Attica | Attica |
| Karaoli & Dimitriou Street | 16344 | Ilioupoli Attica | Attica |
| Karea Street | 16343, 16344 | Ilioupoli Attica | Attica |
| Karneadou Street | 16341, 16346 | Ilioupoli Attica | Attica |
| Karystou Street | 16346 | Ilioupoli Attica | Attica |
| Kassandras Street | 16345 | Ilioupoli Attica | Attica |
| Katonos Street | 16345 | Ilioupoli Attica | Attica |
| Katsoni Lamprou Street | 16341 | Ilioupoli Attica | Attica |
| Kavafaki Andrea Street | 16341 | Ilioupoli Attica | Attica |
| Kazantzaki Nikou Street | 16342 | Ilioupoli Attica | Attica |
| Keas Street | 16346 | Ilioupoli Attica | Attica |
| Kefallinias Street | 16342 | Ilioupoli Attica | Attica |
| Kekropos Street | 16346 | Ilioupoli Attica | Attica |
| Kennenty Tzon Street | 16342 | Ilioupoli Attica | Attica |
| Kerameikou Street | 16344 | Ilioupoli Attica | Attica |
| Kerkyras Street | 16342 | Ilioupoli Attica | Attica |
| Kileler Street | 16346 | Ilioupoli Attica | Attica |