| 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 |
|---|---|---|---|
| 203-546 | Fairfield | Landline | Active |
| 203-547 | Fairfield | Landline | Active |
| 203-548 | Fairfield | Landline | Active |
| 203-549 | Fairfield | Landline | Active |
| 203-550 | Fairfield | Cell Number | Active |
| 203-551 | Fairfield | Landline | Active |
| 203-552 | Fairfield | Landline | Active |
| 203-553 | New Haven | Landline | Active |
| 203-554 | Fairfield | Cell Number | Active |
| 203-555 | Used in movie | Cell Number | Active |
| 203-556 | Fairfield | Cell Number | Active |
| 203-557 | Fairfield | Landline | Active |
| 203-558 | New Haven | Cell Number | Active |
| 203-559 | Fairfield | Landline | Active |
| 203-560 | New Haven | Cell Number | Active |
| 203-561 | Fairfield | Cell Number | Active |
| 203-562 | New Haven | Landline | Active |
| 203-563 | Fairfield | Landline | Active |
| 203-564 | Fairfield | Landline | Active |
| 203-565 | New Haven | Cell Number | Active |