339 Area Code
Eastern Massachusetts (overlay), Massachusetts
Area code 339 is located in Eastern Massachusetts (overlay), Massachusetts. It covers Quincy, Brockton, and surrounding areas in the Eastern time zone (UTC-5). Administered by NANPA.
Where is area code 339?
Area code 339 is located in Eastern Massachusetts (overlay), Massachusetts. It covers Quincy, Brockton, and surrounding areas in the Eastern time zone (UTC-5).
Cities Covered by Area Code 339
Area code 339 primarily serves the Eastern Massachusetts (overlay) area of Massachusetts. The exact coverage includes Quincy, Brockton, and New Bedford (part), along with surrounding communities and suburbs.
Time Zone
Eastern Time — UTC-5
Area code 339 operates in the Eastern Time Zone. When calling 339 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 339
Area code 339 was introduced in 2001 as a geographic area code serving Eastern Massachusetts (overlay), Massachusetts. It remains the primary area code for this region. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.