| Iakovaton Street | 11144 | Athens | Attica |
| Iakovidou Georgiou Street | 11143, 11144 | Athens | Attica |
| Ialemou Odyssea Street | 11142 | Athens | Attica |
| Iamvis Street | 10443 | Athens | Attica |
| Iapetou Street | 11364 | Athens | Attica |
| Iasiou Street | 11521 | Athens | Attica |
| Iasonos Street | 10436 | Athens | Attica |
| Iatridi Konstantinou Street | 11521 | Athens | Attica |
| Iatridi Miltonos Street | 11526 | Athens | Attica |
| Iatrou Papanikolaou Georgiou Street | 11745 | Athens | Attica |
| Ida Street | 11745 | Athens | Attica |
| Idiotikos Dromos Street | 10442 | Athens | Attica |
| Idis Street | 10442 | Athens | Attica |
| Idomeneos Street | 11853 | Athens | Attica |
| Iera Odos | 10435, 10447, 11854, 11855 | Athens | Attica |
| Ieras Odou Byway | 10435, 10447, 11854, 11855 | Athens | Attica |
| Ierofanton Street | 11854 | Athens | Attica |
| Ieronos Street | 11634 | Athens | Attica |
| Ierosolymon Street | 11252 | Athens | Attica |
| Ierotheou Street | 10437 | Athens | Attica |
| Ifaistou Street | 10555 | Athens | Attica |
| Ifigeneias Street | 10442, 10443 | Athens | Attica |
| Ifikratous Street | 11633, 11634 | Athens | Attica |
| Igiou Street | 11851 | Athens | Attica |
| Igisandrou Street | 11636 | Athens | Attica |
| Igoumenitsas Street | 10447 | Athens | Attica |
| Ikarias Street | 11522 | Athens | Attica |
| Ikarieon Street | 11854 | Athens | Attica |
| Ikarou Street | 11364 | Athens | Attica |
| Ikoniou Street | 10446 | Athens | Attica |
| Iktinou Street | 10552 | Athens | Attica |
| Ilektras Street | 10444 | Athens | Attica |
| Iliados Byway | 11632 | Athens | Attica |
| Iliados Street | 11631, 11632, 11633 | Athens | Attica |
| Ilidos Street | 11526, 11527 | Athens | Attica |
| Iliodorou Street | 11635 | Athens | Attica |
| Iliopoulou Timoleontos Street | 11145 | Athens | Attica |
| Iliou Ilia Street | 11631, 11636, 11743, 11744 | Athens | Attica |
| Iliou Street | 10438 | Athens | Attica |
| Ilioupoleos Avenue | 11631, 11636 | Athens | Attica |