| Area Code | City |
|---|---|
| 1-475-201-#### | New Haven |
| 1-475-202-#### | New Haven |
| 1-475-204-#### | Danbury |
| 1-475-205-#### | Stamford |
| 1-475-212-#### | Naugatuck |
| 1-475-215-#### | |
| 1-475-222-#### | Waterbury |
| 1-475-223-#### | |
| 1-475-227-#### | New Haven |
| 1-475-235-#### | Waterbury |
| 1-475-238-#### | New Haven |
| 1-475-239-#### | Trumbull |
| 1-475-243-#### | Derby |
| 1-475-277-#### | |
| 1-475-282-#### | Bridgeport |
| 1-475-289-#### | |
| 1-475-298-#### | Bridgeport |
| 1-475-328-#### | |
| 1-475-329-#### | Danbury |
| 1-475-355-#### | |
| 1-475-422-#### | Bridgeport |
| 1-475-444-#### | Newtown |
| 1-475-529-#### | Danbury |
| 1-475-675-#### | Seymour |
| 1-475-882-#### | Huntington |
| 1-475-999-#### | Fairfield |