Area code 401

Area code 401 at a glance

401 is one of 1 geographic area codes serving Rhode Island; NANPA records its in-service date as January 1, 1947. It is not part of an overlay, so every number in its territory starts with 401. It is in the Eastern time zone. The places with the most assigned exchanges include Providence, Pawtucket, Woonsocket, Newport, and Warwick. By population, its largest named places are Providence, Warwick, Pawtucket, Woonsocket, and Coventry.

Where 401 numbers are local

401 holds 100% of the 581 central office codes assigned in Rhode Island, the most of any code in the state. 16 Census places could be matched to rate centers with 401 exchanges; the most populous are Providence (195,000), Warwick (83,554), Pawtucket (76,996), and Woonsocket (44,508). Each place page lists the exact prefixes and carriers for that town.

Ten-digit and seven-digit dialing in 401

According to NANPA's dialing-plan data, local calls within 401 are dialed as seven digits and toll calls as seven digits. Seven-digit local dialing is still permitted here, but customers calling from other area codes, and every mobile contact list, use all ten digits.

Who holds 401 exchanges

39 carriers hold the 581 central office codes assigned in 401. Verizon New England INC. has the most, with 164 (28%). 423 of the codes (73%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. The code holder is not necessarily the carrier serving a given number today, since numbers can be ported between providers.

Rate centers and towns in 401

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 401 has codes in 25 rate centers. Rate center names in the file are abbreviations; where one matches a Census place, the table links to that city's local-number page.

401 code assignments over time

An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 581 are assigned in 401, 73% of 800. 43 were assigned in 2020 or later.

A local 401 number on Callata

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in area code 401 is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.