About Area Code 401
- Region Code
- 401
- City
- Providence
- State
- Rhode Island
- Population
- 1,097,379
- Largest City
- Providence
- Time Zone
- Eastern Time

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Area Code 401 — Providence, Rhode Island
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Rhode Island is a rarity in the North American numbering plan: the entire state has been served by a single area code, 401, since the system's creation in 1947, with no splits and no overlays in the decades since. Only ten other U.S. states can make the same claim of single-code coverage, and Rhode Island's compact geography is a large part of why 401 has never needed to be divided.
The numbering plan area borders codes 508 and 860, and inside it sits a cluster of cities that together define much of the state's civic and cultural life: Providence, Warwick, Cranston, Pawtucket, Newport, and Woonsocket. Newport in particular gives the region an identity tied to coastal tourism, while the larger cities anchor a more diversified economy.
That economy spans healthcare, education, manufacturing, finance and insurance, and tourism — a combination that has kept 401 relevant to residents and businesses across the state without ever requiring a geographic split or an added overlay code.