Massachusetts · Eastern Time  Updated July 2026

Area Code 339

Lynn and surrounding communities

Area code 339 serves Lynn, Massachusetts and communities including Arlington, Boston, Braintree and more. Every city it covers is listed below, with who-called help, the live local time and the full prefix registry.

Getting calls from a 339 number? The code is legit, but spoofing is common. Look up the prefix ›
Largest cityLynn
Local time10:10 AM ET
Nearby781 · 857 · 617
Since2001
Call now?Good time to call back

Who Called Me from Area Code 339?

Quick answerA 339 call usually comes from Lynn or nearby communities, but caller ID can be spoofed, so a local-looking number isn’t proof. If there’s no voicemail, let it go: legitimate callers leave messages.
  • No voicemail? Let it go. Real callers leave messages.
  • Recognize the pattern? Check the number in the prefix lookup.
  • Getting repeats? ActiveArmor® blocks and labels them automatically.
  • Same prefix calling again? Compare it against this month’s most-reported 339 prefixes, right on this page.
  • Curious who issued a number? Every 339 prefix belongs to a carrier — the registry names it.
Been targeted?Report the call at reportfraud.ftc.gov — reports feed the complaint data that powers spam blocking, including the board on this page. AT&T customers already have ActiveArmor® screening built in.
Most-reported 339 prefixes this month
PrefixReported patternReport volume
(339) 233-XXXXRobocall-heavy
(339) 204-XXXXRobocall-heavy
(339) 230-XXXXRobocall-heavy
(339) 238-XXXXRobocall-heavy
(339) 300-XXXXRobocall-heavy

50 unwanted-call reports naming 339 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.

Block spam calls in the 339, included with AT&T wireless

AT&T ActiveArmor® is the network-level security that screens the calls this page is about:

  • Fraud calls blocked automatically on the network
  • Suspected spam labeled before you answer
  • Caller ID & custom call blocking in the free app
  • Reverse number lookup (available with ActiveArmor Advanced security. Fee required.)
  • Identity monitoring & identity theft insurance (available with ActiveArmor Advanced security. Fee required.)

Included with AT&T wireless plans. Requires compatible device/service and download of the AT&T ActiveArmor® app. Other terms & restrictions apply. May not detect all threats and may block wanted calls. Some features require Advanced mobile security ($7/mo.). See terms.

See how ActiveArmor worksIncluded with the free 30-day AT&T Wireless trial
Try AT&T Wireless free for 30 daysDownload the AT&T app, activate a trial eSIM in minutes, and run our network side by side with your current service. No credit card, keep your number.
  • 100GB of data plus 25GB hotspot
  • Unlimited talk & text in the U.S., Canada and Mexico
  • Texting from the U.S. to 200+ countries & territories
  • Access to the AT&T 5G network
Start your free trialCompatible iPhone required. 5G requires a compatible plan and device; coverage not available everywhere. Terms & restrictions apply.
Offer details

Service good for 30 days. Data: Limited to 100GB of data and 25GB of hotspot data. No additional data is available after limit is reached. Video is limited to SD quality. Talk & Text: Includes unlimited talk & text within the U.S. and unlimited text from the U.S. to over 230 countries. Limits: One trial per user. An unlocked, dual eSIM iPhone is required. You’ll receive a trial phone number that belongs to AT&T and is not available to be ported to another carrier or otherwise retained. Trial plan features and details may differ from or be unavailable in other AT&T plans. U.S. only. All terms subject to change at any time.

Is Area Code 339 a Scam?

No. 339 is a legitimate Lynn area code.

It’s added to the 781 region in 2001 and serves Lynn and surrounding communities. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.

The code is realAdded to the 781 region in 2001; 104 assigned carrier prefixes serve it today.
Spoofing happens“Neighbor spoofing” fakes local numbers. No voicemail? Let it go.
Screening includedActiveArmor® labels and blocks suspected spam. Included with AT&T wireless plans.

Been targeted? Report it to the FTC at reportfraud.ftc.gov. Reports feed the complaint data that powers spam blocking.

Scam texts from area code 339 numbers

The most common area code 339 text scam is the “wrong number” opener: a friendly message that pretends to know you, then moves the chat to WhatsApp and eventually to an investment pitch. Scripts currently circulating:

  • “U at home?” · “Are you busy tomorrow?” · “How are you doing?”
  • Delivery-problem and job-offer texts that link out to a login page

Don’t reply. A response marks your number as live. Forward scam texts to 7726 (SPAM), and AT&T ActiveArmor® filters known senders automatically.

How number spoofing works in area code 339

Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 339 number isn’t involved and usually has no idea. That’s why blocking one number rarely stops the calls.

  • A call from a number almost identical to yours (same 339 and prefix) is “mirror spoofing.” A missed call from your own number is never worth returning.
  • Strangers calling you back saying you called them? Your 339 number is being spoofed. It typically passes within days, and you don’t need a new number. Report it at reportfraud.ftc.gov.
  • The caller-ID checkmark: AT&T verifies network calls (STIR/SHAKEN). A verified mark means the displayed number wasn’t faked. No mark doesn’t always mean scam, but treat it with more caution.

Spoofed or not, the rule holds: unexpected caller, no voicemail? Let it go.

339 Area Code Prefix & Carrier Lookup

The three digits after the area code identify the carrier a number was issued to. All 104 assigned 339 prefixes below are real, from the public numbering registry. Type to filter.

This isn’t a reverse phone lookup: no legitimate free service can tell you who owns a specific number. What a 339 prefix does show: the carrier that issued it, whether it’s wireless, landline or VoIP, and the community it belongs to, which is often enough to judge whether a call was worth returning.

104 prefixes · updated monthly
PrefixCarrierLine type
339-200Windstream (Paetec)Landline
339-201Lumen (Level 3)VoIP
339-202Verizon Business (MCImetro)Landline
339-203Verizon WirelessWireless
339-204Lumen (Level 3)VoIP
339-205Verizon WirelessWireless
339-206AT&T MobilityWireless
339-207Onvoy (Sinch)VoIP
339-208T-Mobile (Omnipoint)Landline
339-209Onvoy (Sinch)VoIP
339-210Onvoy (Sinch)VoIP
339-212Metro by T-Mobile (MetroPCS)Wireless
339-213T-Mobile (Omnipoint)Landline
339-214Lumen (CenturyLink)Landline
339-215Onvoy (Sinch)VoIP
339-216Verizon WirelessWireless
339-217Comcast (Xfinity Voice)VoIP
339-218Metro by T-Mobile (MetroPCS)Wireless
339-219Lumen (Level 3)VoIP
339-220Peerless NetworkVoIP
339-221Verizon WirelessWireless
339-222Verizon WirelessWireless
339-223Verizon WirelessWireless
339-224Verizon WirelessWireless
339-225Verizon WirelessWireless
339-226Verizon WirelessWireless
339-227Verizon WirelessWireless
339-228T-Mobile (Omnipoint)Landline
339-229Peerless NetworkVoIP
339-230Verizon Business (MCImetro)Landline
339-231Comcast (Xfinity Voice)VoIP
339-232Onvoy (Sinch)VoIP
339-233NusoLandline
339-234Verizon WirelessWireless
339-235Verizon WirelessWireless
339-236Verizon WirelessWireless
339-237Verizon WirelessWireless
339-238Boost MobileLandline
339-239Onvoy (Sinch)VoIP
339-240TelnyxLandline
339-241AT&T MobilityWireless
339-242T-Mobile (Omnipoint)Landline
339-243T-Mobile (Omnipoint)Landline
339-244Lumen (Level 3)VoIP
339-245T-Mobile (Omnipoint)Landline
339-246ShelcommLandline
339-255Onvoy (Sinch)VoIP
339-265AT&T (Teleport Communications)Landline
339-273Ton80 CommunicationsLandline
339-293Windstream (Paetec)Landline
339-298Metro by T-Mobile (MetroPCS)Wireless
339-300FracTELLandline
339-309Lumen (Level 3)VoIP
339-329Onvoy (Sinch)VoIP
339-330Onvoy (Sinch)VoIP
339-331Onvoy (Sinch)VoIP
339-333Onvoy (Sinch)VoIP
339-337Lumen (Level 3)VoIP
339-338Metro by T-Mobile (MetroPCS)Wireless
339-339Mass MobileWireless
339-345FracTELLandline
339-356FracTELLandline
339-364Verizon WirelessWireless
339-365FracTELLandline
339-368Verizon WirelessWireless
339-399FracTELLandline
339-400FracTELLandline
339-440Verizon WirelessWireless
339-444Onvoy (Sinch)VoIP
339-463Ton80 CommunicationsLandline
339-466Ton80 CommunicationsLandline
339-469Comcast (Xfinity Voice)VoIP
339-499Windstream (Paetec)Landline
339-500Onvoy (Sinch)VoIP
339-502Windstream (Paetec)Landline
339-526Lumen (Level 3)VoIP
339-529FracTELLandline
339-532Windstream (Paetec)Landline
339-545Bandwidth.comVoIP
339-565Onvoy Spectrum (Sinch)VoIP
339-600Windstream (Paetec)Landline
339-613Windstream (Paetec)Landline
339-645Verizon New EnglandLandline
339-666Onvoy (Sinch)VoIP
339-674Windstream (Paetec)Landline
339-675Ton80 CommunicationsLandline
339-686Windstream (Paetec)Landline
339-707Windstream (Paetec)Landline
339-737Ton80 CommunicationsLandline
339-746Ton80 CommunicationsLandline
339-777Onvoy (Sinch)VoIP
339-788Verizon WirelessWireless
339-793Verizon WirelessWireless
339-800Terra Nova TelecomLandline
339-832Verizon WirelessWireless
339-837Ton80 CommunicationsLandline
339-883Windstream (Paetec)Landline
339-888Onvoy (Sinch)VoIP
339-900Onvoy (Sinch)VoIP
339-927AT&T MobilityWireless
339-933Verizon WirelessWireless
339-970Lumen (Level 3)VoIP
339-987Verizon WirelessWireless
339-999Onvoy (Sinch)VoIP

Line type reflects the registry assignment; ported numbers can differ. Unknown 339 number calling? ActiveArmor® screens it before you ever look it up.

Cities & Communities in and around Area Code 339

Communities the 339 serves, filtered against the numbering registry’s rate centers, with each community’s key ZIP codes and the AT&T home internet available there. Cities link to their local AT&T internet page.

City / communityKey ZIP codesAT&T internet
Arlington02474, 02476, 02478Internet Air
Boston02127, 02210, 02128Internet Air
Burlington01803, 01801, 02420Internet Air
Cambridge02163, 02138, 02143Internet Air
Dedham02026, 02132, 02090Internet Air
Hingham02043, 02189, 02191Internet Air
Kingston02364, 02332, 02367Internet Air
Lexington02421, 02420, 01731Internet Air
Malden02148, 02149, 02176Internet Air
Medford02155, 02144, 02474Internet Air
Melrose02176, 02148, 02180Internet Air
Needham02492, 02494, 02457Internet Air
Revere02151, 02150, 01905Internet Air
Saugus01906, 01905, 02176Internet Air
Sharon02067, 02032, 02072Internet Air
Wakefield01880, 01940, 02180Internet Air
Waltham02451, 02452, 02453Internet Air
Wellesley02481, 02457, 02482Internet Air

City list: AT&T service-area records and the public numbering registry. Key ZIPs: U.S. Census data for each community. Internet type: AT&T eligibility data, June 2026. Availability is always confirmed at your exact address.

339 Area Code Map

Area code 339 serves Lynn and nearby communities in MA.

Map of area code 339 coverage in Massachusetts↓  Printable PDF

Open the printable 339 map (PDF) · All Massachusetts area codes · Home internet in Lynn

Counties Covered by the 339 Area Code

Middlesex County
Share of combined population36%
Population1,632,002
Largest 339 cityBurlington
Essex County
Share of combined population18%
Population809,829
Largest 339 citySaugus
Suffolk County
Share of combined population18%
Population797,936
Largest 339 cityBoston
Norfolk County
Share of combined population16%
Population725,981
Largest 339 cityDedham

Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023. The 339 also reaches parts of Plymouth County.

The 339, explained

Area Code 339: More Than a Number in Lynn

In Lynn, the 339 is more than digits on a caller ID. It arrived in 2001, layered onto the 781 region, and it has meant Lynn and surrounding communities ever since — 104 carrier prefixes keep its lines busy today, and an established 339 number still says you’ve been here a while.

The map tells its own story: Lynn and surrounding communities, with 781 sharing the same streets today. Several codes, one local calling area, no long-distance between any of them — only the 339 came first.

Keeping a 339 matters here. An existing 339 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S. New lines in the area often draw 781 instead — one more reason locals hold on to theirs.

Need a new local number? Shop plans Keep your 339: bring it to AT&T

Internet, wireless & stores in the 339

AT&T Home Internet in Area Code 339

AT&T home internet serves communities across area code 339, with AT&T Fiber where it’s built and AT&T Internet Air covering the gaps. Availability is decided address by address; every community in the table above links to its local internet page.

No data capsNo annual contractNo equipment fees

AT&T Fiber: Ltd. avail/areas. Speeds based on wired connection. Actual speeds vary. For 5-GIG, single device wired speed maximum 4.7Gbps. For more info., visit att.com/speed101. AT&T Internet Air: AT&T Internet Air not available in all areas. In rare cases, if your usage is contributing to congestion on the network, AT&T will greatly reduce your speed for a minimum of 30 min.

Pair it with wireless in an internet + wireless bundle. Run a business in the 339? AT&T Business Internet is available at many addresses.

Family streaming together on AT&T home internet
Fiber install day in the 339Check your address ›

Moving to Area Code 339?

Set up home internet in area code 339 before the boxes arrive, and find your new community in the table above or check your exact address below.

Your number moves with you: port your 339 number from anywhere, or keep your old number when you arrive. An AT&T store nearby can handle the whole switch in one visit.

1 · Check your addressSee Fiber or Internet Air availability in seconds.
2 · Schedule for move-in dayInstall lined up before the boxes arrive.
3 · Keep your numberYour mobile number ports; your internet moves.
Couple setting up internet on a laptop among moving boxes
Get set up before move-in dayPlan your move ›

AT&T Wireless in Area Code 339

AT&T’s 5G network covers most of area code 339. ActiveArmor® spam blocking is included with every unlimited plan, your 339 number stays yours, and great cell phone deals in Lynn are a tap away.

5G across the 339ActiveArmor® includedKeep your 339 number

AT&T may temporarily slow data speeds if the network is busy. 5G req’s compatible plan & device. Coverage not available everywhere. Learn more at att.com/5Gforyou.

Need a new 339 number? Ask when you activate a line: the 339 shares its territory with 781, so new lines may draw one of those codes, and porting an existing 339 number keeps it yours.

See the AT&T wireless coverage map for the 339 ›

Woman smiling at her phone on an Lynn street
Stay connected across LynnShop wireless plans ›

AT&T Stores in Area Code 339

Looking for cell phone stores in area code 339? These stores serve the 339 area — walk in for switching, porting, upgrades and hands-on help. (The 339 is new enough that most local stores still answer on longer-established numbers.)

Every AT&T store in the region, company owned and authorized retailer alike, each with its own store page.

AT&T store employee helping a customer with her phone
Real help from real people in LynnFind your store ›

All AT&T Stores Serving the 339 Area

Every AT&T store serving the 339’s communities. Tap any number to call.

20 AT&T locations serving the 339 area

International Calling from Area Code 339

Calling abroad from area code 339? AT&T International Calling adds discounted or unlimited rates to 200+ countries on top of your existing plan, and unlimited texting from the U.S. to 200+ destinations is already included on AT&T unlimited plans.

Where the 339 calls most:BrazilDominican RepublicChinaIndiaHaiti

Top places of birth among foreign-born residents of the 339’s counties, U.S. Census Bureau ACS 2023.

Calling abroad from a 339 number: dial 011 + country code + number (or just + on a mobile). Traveling abroad instead? International Day Pass® takes your talk, text and data with you for a flat daily rate.

International Calling and International Day Pass® availability, rates and included destinations vary by plan; see att.com for the current country list.

Father and son waving during a video call with family abroad
Lynn calls the worldSee international plans ›

339 Area Code Quick Facts & Dialing

Time zoneEastern
Overlays781share this territory
Established2001added to the 781 region
Dialing10 digitsrequired
Toll-free?Nogeographic code
Population4.5Mcounties served, Census 2023
Largest cityLynn+18 more ›

How to dial a 339 number

ScenarioFormatExample
Local call (within the region)339 + 7-digit number(339) 555-0100
Long distance (within the U.S.)1 + 339 + 7-digit number1 (339) 555-0100
Calling 339 from another country+1 339 + 7-digit number+1 339 555 0100
From a mobile phone(339) + 7-digit number(339) 555-0100

A Short History of Area Code 339

Added in 2001 to the 781 region, the 339 serves Lynn and surrounding communities. No splits or overlays have divided its territory since.

2001Added to the 781 region

In service since 2001. Today the 339’s territory is shared with overlay code 781, so ten-digit dialing is required.

Nearby & Related Area Codes

Browse area codes by state: Massachusetts (9) · California (41) · Texas (29) · Florida (23) · all 50 states ›

Area Code 339 FAQ

What area code is 339?
339 is the area code for Lynn, Massachusetts and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 339?
Area code 339 serves Lynn, Massachusetts and nearby communities including Arlington, Boston, Braintree. The full city list is in the cities table above.
Why did I get a text message from a 339 number?
The most common 339 text scam opens like a wrong number (“u at home?”, “are you busy tomorrow?”) and tries to move you to WhatsApp. Don’t reply. Forward the text to 7726 (SPAM) and delete it. AT&T ActiveArmor® filters known scam senders automatically.
Who called me from area code 339?
A 339 number usually means Lynn or a nearby community, but spoofing is common. This page’s prefix lookup isn’t a reverse phone lookup — it can’t name the caller, but it shows the carrier, line type and community a number was issued to, which is often enough to judge a call.
What time zone is area code 339?
Eastern time. The live local time is shown at the top of this page.
Why am I getting calls from 339 numbers?
339 is an active, legitimate Massachusetts area code, but scammers spoof local numbers because people answer them. If there’s no voicemail, let it go. AT&T ActiveArmor® blocks and labels spam automatically, and you can report unwanted calls at reportfraud.ftc.gov. The spam report board above shows which 339 prefixes are drawing complaints right now.
Is 339 a toll-free number?
No. 339 is a geographic area code tied to Lynn, Massachusetts. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
What’s the difference between 339 and 781?
Nothing on the map: 339 is an overlay of 781, covering the same Lynn area. Calls between them are local; only the three digits at the front differ.
Which cities use area code 339?
The largest communities include Arlington, Boston, Burlington, Cambridge, Dedham. The full list is in the cities table above.
Does AT&T offer service in the 339?
Yes: home internet, wireless and retail stores across the 339. Availability is checked address by address.
Can I still get a 339 number?
Yes. Carriers in Lynn and across the 339 still issue 339 numbers on new lines, and you can port an existing 339 number to any carrier. Newer lines in the same area may also receive numbers from an overlay code.
Can I keep my 339 number if I move?
Yes. Phone numbers are portable: your 339 number can move with you anywhere in the U.S., whether you stay with your carrier or switch.
Sources: city and store data from AT&T records; prefix and carrier assignments from the public numbering registry (pulled July 2026). Facts regenerate monthly.
Check AT&T availability at your address
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