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 |
|---|---|---|---|
| 203-434 | Landline | Greater Metro Area | Sprint |
| 203-425 | Landline | Greater Metro Area | Sprint |
| 203-735 | Mobile | Greater Metro Area | Verizon Wireless |
| 203-366 | Landline | Greater Metro Area | T-Mobile |
| 203-650 | Landline | Greater Metro Area | Sprint |
| 203-890 | Landline | Greater Metro Area | Verizon Wireless |
| 203-697 | Landline | Greater Metro Area | T-Mobile |
| 203-792 | Landline | Greater Metro Area | Verizon Wireless |
| 203-778 | Landline | Greater Metro Area | AT&T |
| 203-282 | Landline | Greater Metro Area | Sprint |
| 203-919 | Landline | Greater Metro Area | T-Mobile |
| 203-284 | Landline | Greater Metro Area | AT&T |
| 203-877 | Mobile | Greater Metro Area | T-Mobile |
| 203-465 | Landline | Greater Metro Area | T-Mobile |
| 203-432 | Landline | Greater Metro Area | Sprint |
| 203-334 | Landline | Greater Metro Area | AT&T |
| 203-496 | Mobile | Greater Metro Area | Sprint |
| 203-473 | Mobile | Greater Metro Area | Verizon Wireless |
| 203-409 | Landline | Greater Metro Area | T-Mobile |
| 203-885 | Mobile | Greater Metro Area | T-Mobile |
| 203-467 | Mobile | Greater Metro Area | T-Mobile |
| 203-449 | Mobile | Greater Metro Area | AT&T |
| 203-958 | Landline | Greater Metro Area | Verizon Wireless |
| 203-799 | Mobile | Greater Metro Area | AT&T |
| 203-631 | Mobile | Greater Metro Area | T-Mobile |
| 203-751 | Mobile | Greater Metro Area | Sprint |
| 203-324 | Landline | Greater Metro Area | Sprint |
| 203-478 | Mobile | Greater Metro Area | AT&T |
| 203-640 | Mobile | Greater Metro Area | T-Mobile |
| 203-254 | Landline | Greater Metro Area | Sprint |