| Avilés | Asturien | Spanien | 84,242 | 33400, 33402, 33403, 33418 |
| Gijón | Asturien | Spanien | 277,554 | 33200, 33201, 33202, 33203, 33204, 33205, 33206, 33207, 33208, 33209, 33210, 33211, 33212, 33213, 33290, 33299, 33350, 33391, 33392, 33393, 33394, 33691, 33697 |
| Langreo | Asturien | Spanien | 45,565 | 33900, 33909, 33920, 33929, 33930, 33934, 33939, 33949 |
| Mieres | Asturien | Spanien | 44,070 | 33600, 33610, 33611, 33612, 33614, 33615, 33616, 33617, 33618, 33619, 33650, 33682, 33683 |
| Oviedo | Asturien | Spanien | 224,005 | 33000, 33001, 33002, 33003, 33004, 33005, 33006, 33007, 33008, 33009, 33011, 33012, 33013, 33070, 33071, 33080, 33140, 33170, 33171, 33174, 33193, 33195, 33196, 33660, 33669, 33696, 33910, 33919 |