| Area Code 203 Details | |
|---|---|
| Country | United States |
| State/Province | Connecticut |
| Major City | New Haven |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Phone Type | Status |
|---|---|---|---|
| 203-464 | New Haven | Cell Number | Active |
| 203-465 | New Haven | Landline | Active |
| 203-466 | New Haven | Landline | Active |
| 203-467 | New Haven | Landline | Active |
| 203-468 | New Haven | Landline | Active |
| 203-469 | New Haven | Landline | Active |
| 203-470 | Fairfield | Cell Number | Active |
| 203-471 | Unknown | Active | |
| 203-472 | Unknown | Active | |
| 203-473 | Unknown | Active | |
| 203-474 | Unknown | Active | |
| 203-476 | Unknown | Active | |
| 203-477 | New Haven | Cell Number | Active |
| 203-478 | Unknown | Active | |
| 203-479 | New Haven | Landline | Active |
| 203-480 | Fairfield | Landline | Active |
| 203-481 | New Haven | Landline | Active |
| 203-482 | Fairfield | Cell Number | Active |
| 203-483 | New Haven | Landline | Active |
| 203-484 | New Haven | Landline | Active |