Troy City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 208 | US | Idaho - ID | Troy | Mountain / Pacific | Details |
| 248 | US | Michigan - MI | Troy | Eastern | Details |
| 254 | US | Texas - TX | Troy | Central | Details |
| 334 | US | Alabama - AL | Troy | Central | Details |
| 518 | US | New York - NY | Troy | Eastern | Details |
| 570 | US | Pennsylvania - PA | Troy | Eastern | Details |
| 586 | US | Michigan - MI | Troy | Eastern | Details |
| 603 | US | New Hampshire - NH | Troy | Eastern | Details |
| 618 | US | Illinois - IL | Troy | Central | Details |
| 636 | US | Missouri - MO | Troy | Central | Details |
| 731 | US | Tennessee - TN | Troy | Central | Details |
| 785 | US | Kansas - KS | Troy | Central / Mountain | Details |
| 802 | US | Vermont - VT | Troy | Eastern | Details |
| 864 | US | South Carolina - SC | Troy | Eastern | Details |
| 910 | US | North Carolina - NC | Troy | Eastern | Details |
| 937 | US | Ohio - OH | Troy | Eastern | Details |