| 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 |
|---|---|---|---|
| 203-850 | New Haven | Cell Number | Active |
| 203-851 | Fairfield | Landline | Active |
| 203-852 | Fairfield | Landline | Active |
| 203-853 | Fairfield | Landline | Active |
| 203-854 | Fairfield | Landline | Active |
| 203-855 | Fairfield | Landline | Active |
| 203-856 | Fairfield | Cell Number | Active |
| 203-857 | Fairfield | Landline | Active |
| 203-858 | Fairfield | Cell Number | Active |
| 203-859 | New Haven | Landline | Active |
| 203-861 | Fairfield | Landline | Active |
| 203-862 | Fairfield | Landline | Active |
| 203-863 | Fairfield | Landline | Active |
| 203-864 | Fairfield | Cell Number | Active |
| 203-865 | New Haven | Landline | Active |
| 203-866 | Fairfield | Landline | Active |
| 203-867 | New Haven | Landline | Active |
| 203-868 | New Haven | Landline | Active |
| 203-869 | Fairfield | Landline | Active |
| 203-870 | Fairfield | Landline | Active |