USA Area code 339 - Boston, MA
Area code 339 is a North American Numbering Plan telephone area code serving Area codes for Boston suburbs in Massachusetts in Massachusetts. It was activated in 1997 .
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Who called me from area code 339?
A call from area code 339 most likely originates from Boston or elsewhere in Massachusetts - but caller ID spoofing means the area code alone cannot confirm who called. Right now, 16 339 numbers carry scam reports on this page. The only reliable way to identify the caller is to check the full 10-digit number:
- Run the number through the reverse phone lookup at the top of this page to see the owner's name, carrier, and location.
- Compare it against the recently reported scam numbers in 339 below.
- If the call was unwanted, report it to the FTC and use the report form on this page so other 339 residents see it.
Report a scam call from 339 Help other 339-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.
Should I answer a call from a 339 number? Take the 30-second quiz - 5 questions, verdict + advice
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Next step: run a reverse-phone lookup on the number to see everything public about it.
Where is the 339 area code? Coverage map
The pin marks Boston, the largest city served by area code 339. Zoom and pan to explore the coverage region.
Interactive map. Click a pin for city details. Data © OpenStreetMap contributors.
Cities in the 339 area code
Area code 339 serves the following 55 communities:
Area codes near 339 (overlay + neighboring)
If a caller ID shows one of these codes, the call is probably still from the Boston area or a nearby region. Click any code to see its own page.
339 area code robocall complaints (FCC data)
Monthly count of FCC complaints tagged to numbers in area code 339 over the last 12 months.
Source: FCC Consumer Complaint Data (dataset vakf-fz8e). Data as of August 9, 2026. Refreshed monthly.
How 339 area code spam calls arrive
Based on 18 FCC complaints in the last 12 months, here's how 339 spam calls reached recipients:
FCC Consumer Complaint Data, last 12 months as of August 9, 2026. Refreshed monthly. Note: the FCC dataset labels method (Live Voice / Prerecorded / SMS) but does not classify scam type (IRS impersonation, tech support fraud, etc.) - those come from community reports.
Recently reported scam numbers in 339
Numbers reported to the FCC or by our community in the last 12 months. Click any to run a full reverse-phone lookup.
Source: FCC Consumer Complaint Data, last 12 months as of August 9, 2026. Refreshed monthly. Numbers submitted via the report form near the top of this page get added here with a “community” badge after moderation.
How to block 339 spam calls (by carrier)
Getting repeated spam calls from 339 numbers around Boston, Massachusetts? You can't legitimately block every 339 call without also missing legitimate ones from Boston, Massachusetts - 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
- Download the free AT&T ActiveArmor app (iOS + Android).
- Sign in with your wireless number.
- Enable Fraud Blocking and Suspected Spam Warning.
- To block a specific number, tap the call in your history → Block.
Verizon
- Download the free Verizon Call Filter app (iOS + Android).
- Sign in with your Verizon account.
- Turn on Spam Filter.
- To block a specific number: My Verizon → Blocks → Add Number.
T-Mobile
- Download the free Scam Shield app (iOS + Android).
- Enable Scam Block (blocks known scam calls silently).
- Use Scam ID to see “Scam Likely” caller ID on suspicious numbers.
- To block a specific number, dial
#662#from your device.
All carriers
- Register on the FTC's National Do-Not-Call list.
- Report unwanted calls to the FCC at fcc.gov/complaints.
- On iPhone: Settings → Phone → Silence Unknown Callers.
- 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 339 area code
state of Massachusetts. The numbering plan area consists of Boston’s inner suburbs along the Route 128 corridor, and some outer suburbs, especially in the South Shore region. Major cities and towns with the area code include Waltham, Woburn, Lynn, Weymouth and Dedham.
339 area code FAQ: common questions
What area code is 339?
Area code 339 is a North American Numbering Plan area code that serves Area codes for Boston suburbs in Massachusetts in Massachusetts, primarily including Boston and surrounding communities. It was activated in 1997.
Where does area code 339 cover?
Area code 339 covers the Boston, Massachusetts area.
Is 339 a real area code or a scam?
339 is a real, actively-assigned US area code - not itself a scam. However, spammers do use 339 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 339 spam calls?
You cannot legitimately block an entire area code without also blocking legitimate calls from Boston. 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 339?
339 shares coverage with overlay code 781. That means new phone numbers issued in the same geographic area may have either area code, and 10-digit dialing is required.
Sources
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