Coverage Map
Interactive
Showing coverage area for Area Code 603 in New Hampshire.
Top Cities
| City Name | Type |
|---|---|
| Manchester | Principal |
| Mount Waterport | Principal |
| Havenside | Principal |
| Riverland | Principal |
| Saint Viewburg | Principal |
| Stoneton | Principal |
| Waterland | Principal |
| Saint Waterport | Principal |
| Watermouth | Principal |
| Grand Riverville | Principal |
| Riverpark | Principal |
| Fieldview | Principal |
| Brookburg | Principal |
| Waterburg | Principal |
| Fort Fallston | Principal |
| Waterfield | Principal |
| Woodton | Principal |
| Mount Springview | Principal |
| Saint Stonefield | Principal |
| Creekwood | Principal |
| Fieldside | Principal |
| Valleyport | Principal |
| Ridgemouth | Principal |
| Ridgemouth | Principal |
| Stoneview | Principal |
| Springville | Principal |
| Springside | Principal |
| Creekfield | Principal |
| Springland | Principal |
| Viewburg | Principal |
Counties Served
| County | State |
|---|---|
| Fieldpark County | New Hampshire |
| North Hillpark County | New Hampshire |
| West Woodland County | New Hampshire |
| Havenland County | New Hampshire |
| Waterpark County | New Hampshire |
Active Phone Prefixes
Recently Assigned
| Prefix | Usage | Location | Carrier |
|---|---|---|---|
| 603-877 | Landline | Greater Metro Area | Sprint |
| 603-401 | Landline | Greater Metro Area | T-Mobile |
| 603-794 | Mobile | Greater Metro Area | Sprint |
| 603-626 | Landline | Greater Metro Area | Verizon Wireless |
| 603-325 | Mobile | Greater Metro Area | T-Mobile |
| 603-733 | Landline | Greater Metro Area | Verizon Wireless |
| 603-461 | Mobile | Greater Metro Area | Sprint |
| 603-736 | Mobile | Greater Metro Area | AT&T |
| 603-765 | Mobile | Greater Metro Area | Sprint |
| 603-257 | Landline | Greater Metro Area | T-Mobile |
| 603-617 | Mobile | Greater Metro Area | AT&T |
| 603-742 | Mobile | Greater Metro Area | AT&T |
| 603-754 | Mobile | Greater Metro Area | Sprint |
| 603-554 | Landline | Greater Metro Area | Verizon Wireless |
| 603-209 | Landline | Greater Metro Area | AT&T |
| 603-817 | Landline | Greater Metro Area | Verizon Wireless |
| 603-434 | Mobile | Greater Metro Area | Sprint |
| 603-512 | Mobile | Greater Metro Area | AT&T |
| 603-620 | Mobile | Greater Metro Area | T-Mobile |
| 603-277 | Landline | Greater Metro Area | T-Mobile |
| 603-970 | Mobile | Greater Metro Area | T-Mobile |
| 603-770 | Landline | Greater Metro Area | Verizon Wireless |
| 603-537 | Mobile | Greater Metro Area | T-Mobile |
| 603-291 | Landline | Greater Metro Area | Sprint |
| 603-990 | Mobile | Greater Metro Area | Verizon Wireless |
| 603-704 | Landline | Greater Metro Area | Sprint |
| 603-589 | Mobile | Greater Metro Area | T-Mobile |
| 603-562 | Mobile | Greater Metro Area | T-Mobile |
| 603-391 | Landline | Greater Metro Area | Verizon Wireless |
| 603-463 | Mobile | Greater Metro Area | T-Mobile |