| District of Rhode Island area codes: 401 | |
|---|---|
| Country | United States |
| State/Province | Rhode Island |
| Major City | Providence |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 401-515 | Washington | Narragansett, RI | Choice One Communications Of Rhode Island |
| 401-516 | Providence | Providence, RI | Metro PCS |
| 401-519 | Providence | Providence, RI | Paetec Communications |
| 401-520 | Preferred Networks | ||
| 401-521 | Providence | Providence, RI | Verizon New England Inc. |
| 401-522 | Washington | North Kingstown, RI | Mcimetro Access Transmission Services LLC |
| 401-523 | Providence | Providence, RI | New Cingular Wireless PCS - DC |
| 401-524 | Providence | Providence, RI | Cellco Partnership DBA Verizon Wireless |
| 401-525 | Providence | Providence, RI | Verizon New England Inc. |
| 401-526 | Providence | Woonsocket, RI | Level 3 Communications |
| 401-527 | Providence | Providence, RI | New Cingular Wireless PCS - DC |
| 401-528 | Providence | Providence, RI | Verizon New England Inc. |
| 401-529 | Providence | Providence, RI | Cellco Partnership DBA Verizon Wireless |
| 401-531 | Providence | Providence, RI | Paetec Communications |
| 401-532 | Providence | Woonsocket, RI | Teleport Communications America |
| 401-533 | Providence | Providence, RI | Dsci Corporation |
| 401-534 | Providence | Woonsocket, RI | Choice One Communications Of Rhode Island |
| 401-535 | Kent | Warwick, RI | Teleport Communications America |
| 401-536 | Providence | Providence, RI | Cellco Partnership DBA Verizon Wireless |
| 401-537 | Providence | Providence, RI | Level 3 Communications |
There are 529 prefixes, In the code area, the major cities are Bristol, RI;Cranston, RI;East Providence, RI;Newpo. The major city is Providence.