| State | ZIP Name | ZIP Code | MMI | Resp. | Distance | Latitude | Longitude |
|---|---|---|---|---|---|---|---|
| Hakodate | Hakodate | Hakodate | 3 | 1 | 240 | 41.80°N | 140.74°E |
| Misawa | Misawa | Misawa | 3 | 15 | 239 | 40.68°N | 141.34°E |
| Otofuke | Otofuke | Otofuke | 5 | 1 | 119 | 43.00°N | 143.20°E |
| Sapporo | Sapporo | Sapporo | 4 | 4 | 223 | 43.06°N | 141.34°E |