The 475 area code is a telephone area code serving the southwestern part of Connecticut.
Federal Data
State Data
County Data
City Data
Area code 475 covers the southwestern portion of Connecticut.
Area code 475 is an overlay for area code 203. Area code 203 was established in 1947. Area code 475 was added on December 12, 2009. All callers in Connecticut must dial all calls with ten digits.
Area code 475 is a general purpose code which was placed in service on December 12, 2009.
Our Connecticut phone number lookup service will analyze the three-digit prefix of any 475 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Connecticut geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
| Company | Number of Prefixes |
|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | 16 |
| OMNIPOINT COMMUNICATIONS, INC. - CT | 6 |
| METROPCS, INC. | 4 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4 |
| CENTURYLINK COMMUNICATIONS, LLC | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - CT | 2 |
| PEERLESS NETWORK OF CONNECTICUT, LLC - CT | 2 |
| CHARTER FIBERLINK CT-CCO, LLC - CT | 1 |
| CHOICE ONE COMMUNICATIONS, INC. - CT | 1 |
| ONVOY, LLC - CT | 1 |
| PAETEC COMMUNICATIONS, LLC - CT | 1 |
| SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | 1 |
| SPRINT SPECTRUM, L.P. | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CT | 1 |
| VONAGE AMERICA LLC | 1 |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
| Rate Center | Number of Prefixes |
|---|---|
| NEW HAVEN | 13 |
| NORWALK | 6 |
| DANBURY | 5 |
| WATERBURY | 5 |
| BRIDGEPORT | 4 |
| STAMFORD | 3 |
| ANSONIDRBY | 2 |
| FAIRFIELD | 1 |
| HUNTINGTON | 1 |
| MERIDEN | 1 |
| NAUGATUCK | 1 |
| RIDGEFIELD | 1 |
| WOODBURY | 1 |
Browse other Connecticut area codes: