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 |
|---|---|---|---|
| 603-803 | Landline | Greater Metro Area | AT&T |
| 603-984 | Landline | Greater Metro Area | Verizon Wireless |
| 603-471 | Landline | Greater Metro Area | AT&T |
| 603-424 | Landline | Greater Metro Area | Sprint |
| 603-502 | Mobile | Greater Metro Area | AT&T |
| 603-316 | Landline | Greater Metro Area | Sprint |
| 603-609 | Mobile | Greater Metro Area | T-Mobile |
| 603-397 | Mobile | Greater Metro Area | Sprint |
| 603-448 | Landline | Greater Metro Area | Sprint |
| 603-301 | Landline | Greater Metro Area | T-Mobile |
| 603-692 | Mobile | Greater Metro Area | T-Mobile |
| 603-398 | Mobile | Greater Metro Area | T-Mobile |
| 603-796 | Landline | Greater Metro Area | AT&T |
| 603-537 | Mobile | Greater Metro Area | Sprint |
| 603-297 | Landline | Greater Metro Area | Verizon Wireless |
| 603-609 | Landline | Greater Metro Area | Verizon Wireless |
| 603-974 | Mobile | Greater Metro Area | Sprint |
| 603-315 | Landline | Greater Metro Area | Verizon Wireless |
| 603-770 | Landline | Greater Metro Area | T-Mobile |
| 603-401 | Mobile | Greater Metro Area | Sprint |
| 603-496 | Landline | Greater Metro Area | T-Mobile |
| 603-746 | Mobile | Greater Metro Area | Sprint |
| 603-987 | Mobile | Greater Metro Area | T-Mobile |
| 603-333 | Mobile | Greater Metro Area | AT&T |
| 603-840 | Landline | Greater Metro Area | AT&T |
| 603-540 | Mobile | Greater Metro Area | Verizon Wireless |
| 603-667 | Mobile | Greater Metro Area | T-Mobile |
| 603-650 | Landline | Greater Metro Area | Sprint |
| 603-623 | Landline | Greater Metro Area | AT&T |
| 603-953 | Mobile | Greater Metro Area | AT&T |