| 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 |
|---|---|---|---|
| 203-383 | Fairfield | Landline | Active |
| 203-384 | Fairfield | Landline | Active |
| 203-385 | Fairfield | Landline | Active |
| 203-386 | Fairfield | Landline | Active |
| 203-387 | New Haven | Landline | Active |
| 203-388 | Fairfield | Landline | Active |
| 203-389 | New Haven | Landline | Active |
| 203-390 | New Haven | Cell Number | Active |
| 203-391 | Fairfield | Landline | Active |
| 203-392 | New Haven | Landline | Active |
| 203-393 | New Haven | Landline | Active |
| 203-394 | Fairfield | Landline | Active |
| 203-395 | Fairfield | Cell Number | Active |
| 203-396 | Fairfield | Landline | Active |
| 203-397 | New Haven | Landline | Active |
| 203-398 | Fairfield | Cell Number | Active |
| 203-399 | Fairfield | Landline | Active |
| 203-400 | Fairfield | Cell Number | Active |
| 203-401 | New Haven | Landline | Active |
| 203-402 | Fairfield | Landline | Active |