{{Short description|Area code for Rhode Island}} {{Use American English|date=February 2026}} {{Use mdy dates|date=April 2023}} thumb '''Area code 401''' is the telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Rhode Island. 401 is one of the original North American area codes, which were established in 1947.
Area code 401 is not projected to exhaust its supply of vacant central office codes until 2055.<ref>{{cite web|url=https://nationalnanpa.com/reports/2024-1_NPA_Exhaust_Projections_Final.pdf|title= 2024-1 NRUF and NPA Exhaust Analysis|website=nationalnanpa.com|access-date=6 July 2024|date=April 2024}}</ref>
==References== {{Reflist}}
{{Area code footer|Map=RI}} * {{Area code box|State=RI | This=401 | N=508/774 | S=631/934 | E=508/774 | W=860/959 | S1=CT|S2=MA|S3=NY}}
{{Area code list}}
401 401 Category:Telecommunications-related introductions in 1947
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