The Area Codes of Japan:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Ichikawa, Matsudo | 473 (+81 473) |
| 2. | Ichinomiya | 586 (+81 586) |
| 3. | Iwaki | 246 (+81 246) |
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The Area Codes of Japan:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Ichikawa, Matsudo | 473 (+81 473) |
| 2. | Ichinomiya | 586 (+81 586) |
| 3. | Iwaki | 246 (+81 246) |