Where is Area Code 401?
Area code 401 is found in the US state of Rhode Island. Servicing the entire state, area code 401 includes the city of Providence (population: 204106), and all 5 counties of Rhode Island.
Located in the Eastern time zone, area code 401 is on the same time as New York, NY.
Area code 401 was brought into effect on January 1, 1947.
Counties in Area Code 401
- Bristol,
- Kent,
- Newport,
- Providence,
- Washington.
Most Populous Cities in Area Code 401
| City | County | City Population |
|---|---|---|
| Providence | Providence | 204,106 |
| Warwick | Kent | 76,784 |
| Pawtucket | Providence | 71,565 |
| Cranston | Providence | 71,094 |
| Woonsocket | Providence | 41,294 |
| Cumberland | Providence | 33,484 |
| Coventry | Kent | 32,352 |
| West Warwick | Kent | 29,395 |
| Johnston | Providence | 28,866 |
| Newport | Newport | 24,472 |
| Bristol | Bristol | 22,601 |
| North Kingstown | Washington | 22,367 |
| East Providence | Providence | 22,021 |
| Westerly | Washington | 21,025 |
| Wakefield | Washington | 20,205 |
| Central Falls | Providence | 19,436 |
| East Greenwich | Kent | 17,938 |
| Lincoln | Providence | 16,995 |
| Portsmouth | Newport | 16,994 |
| Riverside | Providence | 16,941 |
| Barrington | Bristol | 16,070 |
| Middletown | Newport | 15,929 |
| Tiverton | Newport | 15,617 |
| North Providence | Providence | 15,615 |
| Narragansett | Washington | 14,068 |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.