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National Destination Code:4992
This is the Japan National Destination Code:4992 Area Code Database page list. You can click the title to browse the detail information.
| Region Name | City | Sn from | Sn to | Carrier Name | Number Type |
|---|---|---|---|---|---|
| Tokyo | Izu-Oshima | 20000 | 29999 | NTT East | G |
| Tokyo | Izu-Oshima | 40000 | 49999 | NTT East | G |
| Tokyo | Izu-Oshima | 50000 | 59999 | NTT East | G |
| Tokyo | Izu-Oshima | 70000 | 79999 | NTT East | G |
| Tokyo | Izu-Oshima | 80000 | 89999 | NTT East | G |
| Tokyo | Izu-Oshima | 90000 | 99999 | NTT East | G |
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