401 Area Code
401 area code covers the entire state of Rhode Island. So far, there is no plan to add more area code to Rhode Island due to it low population.
| Adamsville, RI | Albion, RI | Ashaway, RI |
| Barrington, RI | Block Island, RI | Bradford, RI |
| Bristol, RI | Carolina, RI | Central Falls, RI |
| Charlestown, RI | Chepachet, RI | Clayville, RI |
| Coventry, RI | Cranston, RI | Cumberland, RI |
| East Greenwich, RI | East Providence, RI | Exeter, RI |
| Fiskeville, RI | Forestdale, RI | Foster, RI |
| Glendale, RI | Greene, RI | Greenville, RI |
| Harmony, RI | Harrisville, RI | Hope, RI |
| Hope Valley, RI | Hopkinton, RI | Jamestown, RI |
| Johnston, RI | Kenyon, RI | Kingston, RI |
| Lincoln, RI | Little Compton, RI | Manville, RI |
| Mapleville, RI | Middletown, RI | Narragansett, RI |
| Newport, RI | North Kingstown, RI | North Providence, RI |
| North Scituate, RI | North Smithfield, RI | Oakland, RI |
| Pascoag, RI | Pawtucket, RI | Peace Dale, RI |
| Portsmouth, RI | Providence, RI | Prudence Island, RI |
| Riverside, RI | Rockville, RI | Rumford, RI |
| Saunderstown, RI | Shannock, RI | Slatersville, RI |
| Slocum, RI | Smithfield, RI | Tiverton, RI |
| Wakefield, RI | Warren, RI | Warwick, RI |
| West Greenwich, RI | West Kingston, RI | West Warwick, RI |
| Westerly, RI | Wood River Junction, RI | Woonsocket, RI |
| Wyoming, RI |