| 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 |
|---|---|---|---|
| 203-586 | Litchfield | Landline | Active |
| 203-587 | Fairfield | Landline | Active |
| 203-588 | Fairfield | Landline | Active |
| 203-589 | New Haven | Cell Number | Active |
| 203-590 | Fairfield | Landline | Active |
| 203-591 | New Haven | Landline | Active |
| 203-592 | New Haven | Cell Number | Active |
| 203-593 | Fairfield | Cell Number | Active |
| 203-594 | Fairfield | Landline | Active |
| 203-595 | Fairfield | Landline | Active |
| 203-596 | New Haven | Landline | Active |
| 203-597 | New Haven | Landline | Active |
| 203-598 | New Haven | Landline | Active |
| 203-599 | New Haven | Landline | Active |
| 203-600 | New Haven | Cell Number | Active |
| 203-601 | Fairfield | Landline | Active |
| 203-602 | Fairfield | Landline | Active |
| 203-603 | New Haven | Landline | Active |
| 203-604 | Fairfield | Landline | Active |
| 203-605 | New Haven | Cell Number | Active |