Area Code 401

About Area Code 401

Area code 401 is a geographic telephone area code assigned to Providence, Rhode Island. It operates in the Eastern time zone and was first introduced in 1947. Original NANP code. State-wide Rhode Island.

Within Rhode Island, area code 401 is the only active area code, covering the entire state. The state's 1,095,610-person population (2023 Census Bureau estimate) is served by a combined 1 active code, with 401 primarily responsible for the Providence region. Rhode Island's state capital is Providence, and its largest city is Providence.

When you receive a call from a 401 number on your Caller ID, the call originated from a phone number assigned to the 401 area code — but be aware that Local Number Portability (in effect since 2003) means the caller could be physically located anywhere in the US or Canada. Area code 401 only confirms where the number was originally assigned.

Where is the 401 area code located?

Area code 401 is assigned to Providence, Rhode Island, in the Eastern time zone. The state of Rhode Island uses 1 active area code, and 401 is the only one. Calls placed from the 401 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 401 prefix appears on Caller ID for both landline and wireless calls placed from this region.

The Eastern time zone observes Daylight Saving Time, shifting from UTC-5 to UTC-4 in summer. The local time shown above is always current, so you can quickly check whether it's a reasonable hour to call back.

What cities and counties use the 401 area code?

The 401 area code serves 15 notable cities, listed below in order of population. The largest city in the 401 territory is Providence (190,934 residents in Providence County).

• Providence, RI — 190,934 residents (24.4% of 401 numbers)
• Warwick, RI — 81,718 residents (10.5% of 401 numbers)
• Cranston, RI — 82,564 residents (10.6% of 401 numbers)
• Pawtucket, RI — 75,591 residents (9.7% of 401 numbers)
• East Providence, RI — 47,447 residents (6.1% of 401 numbers)
• Woonsocket, RI — 41,745 residents (5.3% of 401 numbers)
• Coventry, RI — 35,738 residents (4.6% of 401 numbers)
• Cumberland, RI — 34,841 residents (4.5% of 401 numbers)
• North Providence, RI — 34,339 residents (4.4% of 401 numbers)
• South Kingstown, RI — 31,829 residents (4.1% of 401 numbers)

Phone number format in area code 401

All phone numbers within area code 401 follow the standard North American 10-digit format:(401) NXX-XXXX. The NXX is the central office prefix (also called an "exchange") and XXXX is the subscriber line number. For long-distance calls within the NANP, dial 1 + 401 + NXX + XXXX. From outside North America, dial your country's international access code, then 1 (the NANP country code), then the 10-digit number.

If you need to verify whether a specific 401 number is wireless, landline, or VoIP, you can use our reverse phone lookup tool. Be aware that number portability means the area code no longer guarantees the caller's physical location — only where the number was first assigned.

History of area code 401

Original NANP code. State-wide Rhode Island.

The original 86 area codes were assigned by AT&T and Bell Labs in 1947 as part of the North American Numbering Plan. At the time, rotary-dial phones meant codes with lower digits (like 212 for NYC, 213 for LA, 312 for Chicago) were given to the largest cities because they took less time to dial. Today's area code assignments still reflect those early choices, even though touch-tone and cell phones made the original reason obsolete.

Is the 401 area code safe to answer?

Area code 401 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 401 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.