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AREA CODE · MASSACHUSETTS

Area code 339

Area code 339 covers Boston, Massachusetts. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Massachusetts Major City: Boston Eastern Time (ET) Overlay: 339/781
01 / WHERE IT IS

Where is area code 339?

Area code 339 is assigned to Boston and the surrounding region in Massachusetts. Calls to numbers that start with 339 are routed to this area.

Area code 339 shares its territory with 781. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Middlesex CountyPlymouth CountyNorfolk CountyEssex County

Line types

  • Mobile 31.43%
  • Landline 68.57%
02 / MAP

Area code 339 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Boston

This area code is in the Eastern Time (ET) time zone.

Local timeBoston, MA--:--:--

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America/New_YorkLive
04 / HOW TO DIAL

How to call Boston

WITHIN THE US339 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 339 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 339 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 339 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 339 555 0123
🇦🇺Australia0011 1 339 555 0123
🇯🇵Japan010 1 339 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 339

Share of the number blocks by carrier and line type.

Landline

Sinch
25%
Windstream Communications
15%
Lumen Technologies
12%
CoreTel Communications
10%
Fractel
10%
Others
28%

Mobile

Verizon Wireless
67%
T-Mobile USA
18%
AT&T Mobility
9%
Boost Mobile
3%
Sinch
3%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 339

105 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(339) 200 Landline Hingham Windstream CommunicationsPAETEC ITEL, LLC
(339) 201 Landline Weymouth Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - MA
(339) 202 Landline Lexington Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(339) 203 Mobile Wakefield Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
(339) 204 Landline Dedham Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - MA
(339) 205 Mobile Weymouth Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
(339) 206 Mobile Norwood AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - DC
(339) 207 Landline Lynn SinchONVOY, LLC - MA
(339) 208 Mobile Randolph T-Mobile USAOMNIPOINT MIAMI E LICENSE, LLC
(339) 209 Landline Weymouth SinchONVOY, LLC - MA

Showing 10 of 105 prefixes

07 / FAQ

Frequently asked questions about area code 339

Where is area code 339 used?
Area code 339 serves Boston and the surrounding area in Massachusetts, including Middlesex County, Plymouth County, Norfolk County, Essex County.
What city is area code 339 from?
The main city of area code 339 is Boston, MA.
What time zone is area code 339 in?
Area code 339 is in the Eastern Time (ET) time zone (America/New_York).
Is 339 an overlay area code?
Yes. It shares its territory with 781. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 339 from the United States?
Dial the 10 digits: 339 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 339 number from another country?
Dial your country's exit code (or +), then 1, then 339 and the seven-digit number. From a mobile you can use +1 339 XXX XXXX.
Which carriers use area code 339?
Most landline blocks belong to Sinch and most mobile blocks to Verizon Wireless. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 339 for landlines, mobiles or both?
Both. About 68.57% of the number blocks are landline, 31.43% mobile.
How do I save a 339 number in WhatsApp or my phone?
Save it in international format: +1 339 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 339?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

401Providence, RI603Manchester, NH860Hartford, CT959Hartford, CT475Bridgeport, CT203Bridgeport, CT

Other area codes in Massachusetts

351 · Lowell413 · Springfield508 · Worcester617 · Boston774 · Worcester781 · Quincy857 · Boston978 · Lowell

View all Massachusetts area codes →