The area code 401 is located in Cranston, Rhode Island.
Area code 401 is the statewide telephone code for Cranston, Rhode Island, and every city and town in the Ocean State. Established in 1947 as one of the original North American Numbering Plan codes, 401 still covers the entire state, so Cranston shares the same code with nearby Providence, Warwick, and the coastal communities along Narragansett Bay. Set just south of Providence, Cranston sits in the heart of the metro area, making 401 numbers common for local homes, schools, and businesses. For callers, a 401 phone number signals a Rhode Island connection—whether the line rings in Cranston, downtown Providence, or by the bay in Newport.
Major cities and landmarks in the 401 area code include:
“Area code 401 has served all of Rhode Island since 1947.” — North American Numbering Plan Administration (NANPA)
Rhode Island is the smallest U.S. state by land area, and 401 is one of the few statewide area codes still in use today. The code spans the Providence metro and every corner of the state, from the Blackstone Valley to Aquidneck Island, without any splits or overlays. Cranston and its neighbors operate on Eastern Time, and 401 phone numbers are used for both landlines and mobile phones across carriers. When you see a 401 area code, it points to Rhode Island—often just minutes from Providence, the bay, and some of New England’s most storied sites.