| 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 |
|---|---|---|---|
| 203-485 | Fairfield | Landline | Active |
| 203-486 | New Haven | Landline | Active |
| 203-487 | Fairfield | Landline | Active |
| 203-488 | New Haven | Landline | Active |
| 203-489 | Fairfield | Landline | Active |
| 203-490 | New Haven | Landline | Active |
| 203-491 | Fairfield | Landline | Active |
| 203-492 | New Haven | Landline | Active |
| 203-493 | Fairfield | Landline | Active |
| 203-494 | New Haven | Cell Number | Active |
| 203-495 | New Haven | Landline | Active |
| 203-496 | Fairfield | Cell Number | Active |
| 203-497 | New Haven | Landline | Active |
| 203-498 | New Haven | Landline | Active |
| 203-499 | New Haven | Landline | Active |
| 203-500 | New Haven | Cell Number | Active |
| 203-501 | Fairfield | Cell Number | Active |
| 203-502 | Fairfield | Landline | Active |
| 203-503 | New Haven | Landline | Active |
| 203-504 | Fairfield | Landline | Active |