Area codes › US Virgin Islands › 340

US Virgin Islands Area code 340 - All of U.S. Virgin Islands

Area code 340 is a statewide North American Numbering Plan code serving all of U.S. Virgin Islands; its largest city is St. Thomas. .

Sources: FCC OpenData, Wikipedia, and community-submitted reports · Updated
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Who called me from area code 340?

A call from area code 340 can come from anywhere in U.S. Virgin Islands - it is a statewide code, with St. Thomas its largest city - but caller ID spoofing means the area code alone cannot confirm who called. The only reliable way to identify the caller is to check the full 10-digit number:

  1. Run the number through the reverse phone lookup at the top of this page to see the owner's name, carrier, and location.
  2. Compare it against the recently reported scam numbers in 340 below.
  3. If the call was unwanted, report it to the FTC and use the report form on this page so other 340 residents see it.
Report a scam call from 340 Help other 340-area residents - takes 20 seconds, no signup

Reports are reviewed by our team before appearing on the page. The highest-reported numbers get added to the “Recently reported scam numbers” list above with a “community” badge.

Only the number, category, and description are stored. IP addresses are one-way hashed for rate-limiting and never stored raw. Reports are moderated before publication. Links are not allowed in descriptions.

Should I answer a call from a 340 number? Take the 30-second quiz - 5 questions, verdict + advice

Runs entirely in your browser - nothing is sent or stored.

1. Were you expecting a call today?
2. Do you recognise the specific number (not just the area code)?
3. Have you searched the number online yet?
4. Is it during normal business hours in 340?
5. Are you actively waiting on a business decision (delivery, loan, job, etc.)?

Where is the 340 area code? Coverage map

The pin marks St. Thomas, the largest city in U.S. Virgin Islands. Zoom and pan to explore the coverage region.

Interactive map. Click a pin for city details. Data © OpenStreetMap contributors.

Area codes near 340 (overlay + neighboring)

If a caller ID shows one of these codes, the call is probably still from the St. Thomas area or a nearby region. Click any code to see its own page.

Neighboring regions (codes next door)

These codes cover regions adjacent to 340. Common for calls from nearby cities and across county lines.

Robocall complaints in area code 340

Live FCC data coming soon. Our automated scraper for FCC consumer-complaint statistics is in build. Once live, this section will show a real monthly trend chart of robocall complaints tied to 340 numbers, refreshed on the FCC's monthly release cadence.

Source will be FCC Consumer Complaint Data.

Recently reported scam numbers in 340

No reports for 340 yet. Be the first - use the “Report a scam call” form below to flag a number you've received. Approved reports appear here alongside FCC-recorded complaints.

How to block 340 spam calls (by carrier)

Getting repeated spam calls from 340 numbers around St. Thomas, US Virgin Islands? You can't legitimately block every 340 call without also missing legitimate ones from St. Thomas, US Virgin Islands - so the practical fix is to turn on your carrier's free spam filter and register on the national do-not-call list. Step-by-step for each major US carrier below.

AT&T

  1. Download the free AT&T ActiveArmor app (iOS + Android).
  2. Sign in with your wireless number.
  3. Enable Fraud Blocking and Suspected Spam Warning.
  4. To block a specific number, tap the call in your history → Block.

Verizon

  1. Download the free Verizon Call Filter app (iOS + Android).
  2. Sign in with your Verizon account.
  3. Turn on Spam Filter.
  4. To block a specific number: My Verizon → Blocks → Add Number.

T-Mobile

  1. Download the free Scam Shield app (iOS + Android).
  2. Enable Scam Block (blocks known scam calls silently).
  3. Use Scam ID to see “Scam Likely” caller ID on suspicious numbers.
  4. To block a specific number, dial #662# from your device.

All carriers

  1. Register on the FTC's National Do-Not-Call list.
  2. Report unwanted calls to the FCC at fcc.gov/complaints.
  3. On iPhone: Settings → Phone → Silence Unknown Callers.
  4. On Android: Phone app → ⋮ → Settings → Caller ID & spam.

Sources: carrier support pages (AT&T, Verizon, T-Mobile), FCC consumer guides. Free features as of 2026. Every one of these steps costs nothing.

History of the 340 area code

Virgin Islands. Area code 340 was created by split from the Caribbean numbering plan area with area code 809 in 1998. A permissive dialing period was conducted from 1 June 1997 to 30 June 1998.

340 area code FAQ: common questions

What area code is 340?

Area code 340 is a North American Numbering Plan area code that serves Telephone area code of the U.S. Virgin Islands in US Virgin Islands, primarily including St. Thomas and surrounding communities.

Where does area code 340 cover?

Area code 340 covers the St. Thomas, US Virgin Islands area.

Is 340 a real area code or a scam?

340 is a real, actively-assigned US area code - not itself a scam. However, spammers do use 340 numbers because the code is well-known and appears local to millions of residents. Always verify the specific number, not the area code.

How do I block 340 spam calls?

You cannot legitimately block an entire area code without also blocking legitimate calls from St. Thomas. Better options: register on the National Do-Not-Call list, enable your carrier's spam-filter (all major US carriers now offer this free), and report unwanted calls to the FCC at fcc.gov/complaints so they show up in the trend data on this page.

What's the overlay area code for 340?

340 does not currently have an overlay area code assigned. New numbers in the region are still issued with the 340 prefix.

Sources

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