# Area code 340 — U.S. Virgin Islands > Area code 340 serves U.S. Virgin Islands 🇻🇮, a US territory inside the North American Numbering Plan — American soil outside the 50 states, DC and Puerto Rico. A call from the mainland US dials +1 and stays domestic: normal long-distance or mobile charges apply, not international rates. Capital Charlotte Amalie; population 87,146 (2020). It is currently the only area code in service for U.S. Virgin Islands. In service since June 1, 1997. - Page: https://getareacode.com/340/ - This document: https://getareacode.com/340.md - Site index for agents: https://getareacode.com/llms.txt - Data last updated: August 2026 ## Key facts | Field | Value | | --- | --- | | Area code | 340 | | Kind | US territory — inside the NANP and inside the US, outside the 50 states and DC | | Territory | U.S. Virgin Islands 🇻🇮 | | ISO 3166-1 alpha-2 | VI | | Capital | Charlotte Amalie | | Population | 87,146 (2020) | | Area | 348 km² | | Currency | US dollar (USD) | | Languages | English | | Time zone | America/St_Thomas (UTC−4, no DST) | | Dialed from the US or Canada | 1 + 340 + 7-digit local number | | Dialed from outside the NANP | your exit code, then 1 340 and the local number | | Internet TLD | .vi | | Driving side | left | | In service since | June 1, 1997 | | Previous code | 809 | | Overlay complex | None | ## History of area code 340 Area code 340 went into service on June 1, 1997, splitting the US Virgin Islands off from area code 809 — the original shared code for the whole Caribbean NANP region — with a permissive dialing period from 809 following. Unlike its Caribbean neighbours, the territory is US soil: calls between the mainland and 340 are domestic, not international. ## Major cities in U.S. Virgin Islands | City | Population | | --- | --- | | Charlotte Amalie | 14,477 | | Christiansted | 1,404 | | Frederiksted | 693 | ## Telecom operators in U.S. Virgin Islands - Viya - Liberty VI ## How to dial a 340 number - From the mainland US or Canada: 1 + 340 + 7-digit local number. The call is domestic — no international prefix and no international rates; normal long-distance or mobile charges apply. - From outside the NANP: your country's exit code, then 1 340 and the local number, or +1 340 from a mobile. - Inside U.S. Virgin Islands: the local number, per the local dialing plan. - 340 is a US area code, but caller ID is trivially spoofed — the code alone still does not verify who is calling. ## Frequently asked questions about area code 340 ### Where is area code 340? 340 is the area code for U.S. Virgin Islands, a US territory. It is part of the North American Numbering Plan (NANP), sharing the +1 prefix with the rest of the US and Canada — and unlike the Caribbean nations in the plan, it is US soil, so calls to and from the mainland are domestic. ### How do I call U.S. Virgin Islands from the US or Canada? Dial 1 + 340 + 7-digit local number. The call is domestic — no international prefix and no international rates — though some mobile plans price the island territories separately, so check yours before a long call. ### Is area code 340 a scam? Not by itself. 340 is a legitimate US area code serving U.S. Virgin Islands. Caller ID is trivially spoofed, though, so an unexpected call from 340 deserves the same caution as any unknown number — verify the caller before returning the call. ### Does 340 have an overlay? No. 340 is currently the only area code in service for U.S. Virgin Islands. ### What is the timezone of area code 340? U.S. Virgin Islands observes America/St_Thomas (UTC−4, no DST) and does not change clocks for daylight saving time, so the offset from the mainland shifts by an hour when the mainland does. ### When did area code 340 go into service? Area code 340 went into service on June 1, 1997. Before that, numbers in U.S. Virgin Islands used 809. ### What is the population of U.S. Virgin Islands? U.S. Virgin Islands has a population of approximately 87,146 (2020). The capital is Charlotte Amalie, and the territory covers 348 km². ## Sources - https://en.wikipedia.org/wiki/Area_code_340 - https://www.census.gov/newsroom/press-releases/2021/2020-census-us-virgin-islands.html - Method in full: https://getareacode.com/methodology/ - Licence: the aggregated data on this site is CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) — attribution required.