Area Code 339-686 located in WELLESLEY, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 339 NXX (Local Number Prefix) : 686 City : WELLESLEY 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 : WELLESLEY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02482 Other Information NPANXX : 339686 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHTWMABMDS3 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 : BROADVIEW NETWORKS, INC. - MA OCN (Operating Company Number) : 2899 Coverage Area Name : WELLESLEY Latitude : 42.3049 Longitude : -71.2764 ‹ previous : 339-674 next › : 339-707 Telephone Number List 339-686-0000 ~ 339-686-9999