Area Code 339-502 located in CANTON, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 339 NXX (Local Number Prefix) : 502 City : CANTON County : NORFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 25021 LATA (Local Access Transport Area) : 128 Rate Center : CANTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02021 Other Information NPANXX : 339502 County Population : 0 Switch CLLI (Common Language Location Identifier) : WRCSMA05DS0 MSA CBSA (Core Based Statistical Area) : Boston-Cambridge-Quincy, MA-NH MSA CBSA Code (Core Based Statistical Area) : 14460 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC OCN (Operating Company Number) : 4052 Coverage Area Name : CANTON Latitude : 42.1570 Longitude : -71.1458 ‹ previous : 339-499 next › : 339-526 Telephone Number List 339-502-0000 ~ 339-502-9999