| 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 |
|---|---|---|---|
| 203-363 | Fairfield | Landline | Active |
| 203-364 | Fairfield | Landline | Active |
| 203-365 | Fairfield | Landline | Active |
| 203-366 | Fairfield | Landline | Active |
| 203-367 | Fairfield | Landline | Active |
| 203-368 | Fairfield | Landline | Active |
| 203-369 | Fairfield | Landline | Active |
| 203-370 | New Haven | Cell Number | Active |
| 203-371 | Fairfield | Landline | Active |
| 203-372 | Fairfield | Landline | Active |
| 203-373 | Fairfield | Landline | Active |
| 203-374 | Fairfield | Landline | Active |
| 203-375 | Fairfield | Landline | Active |
| 203-376 | New Haven | Cell Number | Active |
| 203-377 | Fairfield | Landline | Active |
| 203-378 | Fairfield | Landline | Active |
| 203-379 | New Haven | Landline | Active |
| 203-380 | Fairfield | Landline | Active |
| 203-381 | Fairfield | Landline | Active |
| 203-382 | Fairfield | Landline | Active |