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Area Codes in ROUND MOUNTAIN Info
| Area Code: | ROUND MOUNTAIN |
| States: | Nevada, Texas |
| Cities: | Round Mountain |
Exchanges in Area Code ROUND MOUNTAIN
| Exchange | State | County | City |
| 775-346 | Nevada | Nye | Round Mountain |
| 775-377 | Nevada | Nye | Round Mountain |
| 775-487 | Nevada | Nye | Round Mountain |
| 775-655 | Nevada | Nye | Round Mountain |
| 830-825 | Texas | Blanco | Round Mountain |
| 775-860 | Nevada | Nye | Round Mountain |
| 775-890 | Nevada | Nye | Round Mountain |