| Area Code 423 Details | |
|---|---|
| Country | United States |
| State/Province | Tennessee |
| Major City | Chattanooga |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Phone Type | Status |
|---|---|---|---|
| 423-972 | Greene | Cell Number | Active |
| 423-973 | Hancock | Landline | Active |
| 423-975 | Washington | Landline | Active |
| 423-979 | Washington | Landline | Active |
| 423-987 | Hamilton | Cell Number | Active |
| 423-989 | Sullivan | Landline | Active |
| 423-990 | Sullivan | Landline | Active |
| 423-991 | Hamilton | Cell Number | Active |
| 423-994 | Hamilton | Cell Number | Active |
| 423-999 | Mcminn | Cell Number | Active |