339 Area Code - World Time Zone Map

World Time Zone Map Massachusetts Area Codes 339

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339 Area code

Eastern Time

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339 is an area code located in the state of Massachusetts, US. The largest city it serves is Boston.

Location, time zone and map of the 339 area code

Local time

--:-- EST

Time difference to GMT/UTC

Standard time:	UTC/GMT -5:00 hours
No daylight saving time at the moment

Daylight Saving Time 2026 (Summer Time)

DST starts on Sunday 08 March 2026, 02:00 DST ends on Sunday 01 November 2026, 02:00

Time zone

The 339 area code lies within the Eastern Time (ET)

EST - Eastern Standard TimeEDT - Eastern Daylight Time when daylight saving time is being observed (from early March to early November)

Location

339 Area code location map

Major cities and communities served by area code 339

Suffolk County

• Boston
• Revere

Essex County

• Lynn
• Saugus
• Marblehead
• Swampscott
• Lynnfield
• Nahant

Middlesex County

• Waltham
• Malden
• Medford
• Arlington
• Woburn
• Lexington
• Melrose
• Wakefield
• Reading
• Burlington
• Stoneham
• Winchester
• Lincoln

Norfolk County

• Weymouth
• Braintree
• Randolph
• Needham
• Norwood
• Wellesley
• Dedham
• Canton
• Holbrook
• Cohasset
• Sharon

Plymouth County

• Rockland
• Hanover
• Abington
• Kingston
• Norwell
• Hull
• Hingham
• Scituate
• North Scituate
• Marshfield Hills

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