Rhode Island Area Codes
1 active area code · Providence · Population around 1,110,415
Rhode Island has 1 active area code, serving cities like Providence, Cranston, and Warwick. 401 has covered the whole of Rhode Island since 1947. Each code below links to its cities, carriers, timezone, and coverage map.
Rhode Island Area Code Map
What area codes does Rhode Island have?
Every one of the 5 counties in Rhode Island is covered by this code and no other.
How many phone prefixes does Rhode Island use?
Rhode Island's area code holds 559 assigned prefixes, listed under 41 distinct carrier names. A prefix is the three digits after the area code, and NANPA assigns each one to a single carrier.
Sources: City populations – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). State populations – the same program, Vintage 2025 (CO-EST2025-ALLDATA). Area-code footprint and county populations – 2020 Census Centers of Population, mapped against NANP area code boundaries. The share of each city inside a code is measured the same way, against Census place boundaries from the Census Bureau's TIGERweb service. Area code assignments – NANPA CO Code data. See our data methodology.
Frequently Asked Questions
How many area codes does Rhode Island have?
Rhode Island has 1 active area code: 401.
What is the main area code for Rhode Island?
Rhode Island has a single area code, 401, in service since 1947. It covers Providence, the largest city in Rhode Island, and every county in Rhode Island.
What are the largest cities in Rhode Island?
The largest cities in Rhode Island include Providence, Cranston, Warwick, Pawtucket, East Providence.
What is the total population of Rhode Island?
Rhode Island has an estimated total population of 1,110,415 based on US Census PEP 2024 data.
What is the newest area code in Rhode Island?
401, in service since 1947. It is the only area code in Rhode Island.
Is my county covered by more than one area code in Rhode Island?
No. All 5 counties in Rhode Island are covered by 401, so no county here carries two.