Johnston, Rhode Island
Eastern Time Zone (UTC-5) · RI · —
About Area Codes in Johnston, Rhode Island
Johnston, Rhode Island is served by area code 401, which was one of the original area codes established in 1947 under the North American Numbering Plan. The city falls within the Eastern time zone (UTC-5). All calls to and from Johnston use the 401 area code prefix for local and long-distance dialing.
Other cities in area code 401
Frequently Asked Questions
What area code is Johnston, Rhode Island?
Johnston, Rhode Island uses area code 401.
What time zone is Johnston in?
Johnston is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Johnston?
Standard 7-digit dialing is used for local calls within Johnston. However, 10-digit dialing is always accepted and required for long-distance calls.
When was area code 401 created?
Area code 401 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 401 with Johnston?
Other cities sharing area code 401 with Johnston include Barrington, Bristol, Coventry, Cranston, Cumberland, among others.
Also called Johnston:
Johnston, RI · Eastern Time Zone