| Iras Street | 11743 | Athens | Attica |
| Iridanou Street | 11528 | Athens | Attica |
| Iridos Street | 11635 | Athens | Attica |
| Irodotou Street | 10673, 10674, 10675 | Athens | Attica |
| Irodou Attikou Street | 10674 | Athens | Attica |
| Irofilis Street | 11854 | Athens | Attica |
| Irofilou Street | 10676 | Athens | Attica |
| Ironda Street | 11635 | Athens | Attica |
| Ironos Street | 11635 | Athens | Attica |
| Iroon Square | 10554 | Athens | Attica |
| Irous Street | 10442 | Athens | Attica |
| Isagorou Street | 10442 | Athens | Attica |
| Isaiou Street | 11633 | Athens | Attica |
| Isavridi Zinona Street | 11744 | Athens | Attica |
| Isavron Street | 11471, 11472, 11473 | Athens | Attica |
| Isiodou Street | 10674 | Athens | Attica |
| Isionis Street | 11853 | Athens | Attica |
| Isminis Street | 10443, 10444 | Athens | Attica |
| Isokratous Street | 11144 | Athens | Attica |
| Istrias Street | 11142 | Athens | Attica |
| Istrou Street | 11142 | Athens | Attica |
| Iteas Street | 11523 | Athens | Attica |
| Ithakis Street | 11251, 11257, 11361 | Athens | Attica |
| Ithomis Street | 11475 | Athens | Attica |
| Iviron Street | 11253 | Athens | Attica |
| Ivis Street | 10554 | Athens | Attica |
| Ivykou Street | 11635 | Athens | Attica |
| Kadmeias Street | 11855 | Athens | Attica |
| Kadmou Street | 10442, 10443 | Athens | Attica |
| Kafantari Georgiou Street | 11631, 11632 | Athens | Attica |
| Kafkasou Street | 11362, 11363, 11364 | Athens | Attica |
| Kaftantzoglou Lysandrou Street | 11144 | Athens | Attica |
| Kairi Arcade | 10551 | Athens | Attica |
| Kairi Evanthias Street | 11255 | Athens | Attica |
| Kairi Theofilou Street | 10551 | Athens | Attica |
| Kaisareias Street | 11527 | Athens | Attica |
| Kakari Spyridona Street | 11524 | Athens | Attica |
| Kakavaki Charalampou Street | 11744 | Athens | Attica |
| Kaklamanou Street | 11745 | Athens | Attica |
| Kakourgodikeiou Street | 10554 | Athens | Attica |