Area Codes in Usuki
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 972 | Saiki, Ōita | Ōita Prefecture | 49,065 | Japan | Asia/Tokyo |
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Beppu, Ōita | Ōita Prefecture | Japan | 125,065 | 977 | 874 |
| Kitsuki, Ōita | Ōita Prefecture | Japan | 23,353 | 9786 | 873, 870, 879 |
| Ōita, Ōita | Ōita Prefecture | Japan | 448,907 | 97 | 870, 875, 876, 879 |
| Saiki, Ōita | Ōita Prefecture | Japan | 49,065 | 972 | 876 |
| Tsukumi, Ōita | Ōita Prefecture | Japan | 21,658 | 972 | 879 |