| 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 |
|---|---|---|---|
| 203-200 | New Haven | Landline | Active |
| 203-201 | New Haven | Cell Number | Active |
| 203-202 | Fairfield | Landline | Active |
| 203-204 | New Haven | Landline | Active |
| 203-205 | Fairfield | Landline | Active |
| 203-206 | New Haven | Cell Number | Active |
| 203-207 | Fairfield | Landline | Active |
| 203-208 | New Haven | Landline | Active |
| 203-209 | Fairfield | Landline | Active |
| 203-210 | Fairfield | Landline | Active |
| 203-212 | Fairfield | Cell Number | Active |
| 203-213 | New Haven | Cell Number | Active |
| 203-214 | New Haven | Cell Number | Active |
| 203-215 | New Haven | Cell Number | Active |
| 203-216 | Fairfield | Cell Number | Active |
| 203-217 | New Haven | Cell Number | Active |
| 203-218 | Fairfield | Cell Number | Active |
| 203-219 | Fairfield | Cell Number | Active |
| 203-220 | Fairfield | Landline | Active |
| 203-221 | Fairfield | Landline | Active |