340 Area Code
U.S. Virgin Islands, U.S. Virgin Islands
Area code 340 is located in U.S. Virgin Islands, U.S. Virgin Islands. It covers Charlotte Amalie, Christiansted, and surrounding areas in the Atlantic time zone (UTC-4). Administered by NANPA.
Where is area code 340?
Area code 340 is located in U.S. Virgin Islands, U.S. Virgin Islands. It covers Charlotte Amalie, Christiansted, and surrounding areas in the Atlantic time zone (UTC-4).
Cities Covered by Area Code 340
Area code 340 primarily serves the U.S. Virgin Islands area of U.S. Virgin Islands. The exact coverage includes Charlotte Amalie, Christiansted, and Frederiksted, along with surrounding communities and suburbs.
Time Zone
Atlantic Time — UTC-4
Area code 340 operates in the Atlantic Time Zone. When calling 340 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 340
Area code 340 was introduced in 1997 as a geographic area code serving U.S. Virgin Islands, U.S. Virgin Islands. It remains the primary area code for this region. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.