Coverage Map
Interactive
Showing coverage area for Area Code 203 in Connecticut.
Top Cities
| City Name | Type |
|---|---|
| Bridgeport | Principal |
| Springport | Principal |
| West Viewpark | Principal |
| Waterton | Principal |
| Waterwood | Principal |
| Havenland | Principal |
| Little Havenland | Principal |
| Mount Havenport | Principal |
| Mount Fieldcity | Principal |
| Mount Ridgefield | Principal |
| Woodburg | Principal |
| Fieldport | Principal |
| Fallston | Principal |
| Springburg | Principal |
| Lake Woodpark | Principal |
| Lake Havenview | Principal |
| Riverside | Principal |
| Havencity | Principal |
| Valleyview | Principal |
| Viewport | Principal |
| Valleyville | Principal |
| Valleyville | Principal |
| Old Ridgeburg | Principal |
| Stoneview | Principal |
| Old Havenville | Principal |
| Grand Riverport | Principal |
| Havenview | Principal |
| New Valleyside | Principal |
| South Brookfield | Principal |
| New Creekcity | Principal |
Counties Served
| County | State |
|---|---|
| Fairfield County | Connecticut |
| New Haven County | Connecticut |
Active Phone Prefixes
Recently Assigned
| Prefix | Usage | Location | Carrier |
|---|---|---|---|
| 203-533 | Mobile | Greater Metro Area | Verizon Wireless |
| 203-319 | Mobile | Greater Metro Area | Verizon Wireless |
| 203-950 | Landline | Greater Metro Area | Verizon Wireless |
| 203-945 | Landline | Greater Metro Area | T-Mobile |
| 203-831 | Mobile | Greater Metro Area | AT&T |
| 203-474 | Landline | Greater Metro Area | T-Mobile |
| 203-722 | Mobile | Greater Metro Area | T-Mobile |
| 203-836 | Landline | Greater Metro Area | AT&T |
| 203-892 | Landline | Greater Metro Area | Sprint |
| 203-430 | Landline | Greater Metro Area | Sprint |
| 203-593 | Landline | Greater Metro Area | AT&T |
| 203-969 | Landline | Greater Metro Area | T-Mobile |
| 203-793 | Mobile | Greater Metro Area | AT&T |
| 203-920 | Landline | Greater Metro Area | AT&T |
| 203-337 | Landline | Greater Metro Area | T-Mobile |
| 203-561 | Mobile | Greater Metro Area | Sprint |
| 203-725 | Landline | Greater Metro Area | AT&T |
| 203-397 | Mobile | Greater Metro Area | Verizon Wireless |
| 203-923 | Mobile | Greater Metro Area | T-Mobile |
| 203-640 | Landline | Greater Metro Area | Sprint |
| 203-208 | Landline | Greater Metro Area | Verizon Wireless |
| 203-386 | Landline | Greater Metro Area | Verizon Wireless |
| 203-737 | Landline | Greater Metro Area | AT&T |
| 203-440 | Landline | Greater Metro Area | T-Mobile |
| 203-611 | Landline | Greater Metro Area | Sprint |
| 203-298 | Mobile | Greater Metro Area | AT&T |
| 203-424 | Landline | Greater Metro Area | Verizon Wireless |
| 203-494 | Mobile | Greater Metro Area | Sprint |
| 203-665 | Landline | Greater Metro Area | Verizon Wireless |
| 203-872 | Mobile | Greater Metro Area | T-Mobile |