| 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 |
|---|---|---|---|
| 203-505 | Fairfield | Landline | Active |
| 203-506 | New Haven | Cell Number | Active |
| 203-507 | New Haven | Cell Number | Active |
| 203-508 | New Haven | Landline | Active |
| 203-509 | New Haven | Cell Number | Active |
| 203-510 | New Haven | Cell Number | Active |
| 203-512 | Fairfield | Cell Number | Active |
| 203-513 | New Haven | Landline | Active |
| 203-514 | New Haven | Landline | Active |
| 203-515 | Fairfield | Cell Number | Active |
| 203-516 | New Haven | Landline | Active |
| 203-517 | Fairfield | Landline | Active |
| 203-518 | New Haven | Cell Number | Active |
| 203-519 | New Haven | Cell Number | Active |
| 203-520 | Fairfield | Cell Number | Active |
| 203-521 | Fairfield | Cell Number | Active |
| 203-522 | Fairfield | Cell Number | Active |
| 203-523 | Fairfield | Landline | Active |
| 203-524 | Fairfield | Cell Number | Active |
| 203-525 | New Haven | Cell Number | Active |