Area Code 339-987 located in RANDOLPH, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 339 NXX (Local Number Prefix) : 987 City : RANDOLPH County : NORFOLK State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 25021 LATA (Local Access Transport Area) : 128 Rate Center : RANDOLPH ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02368 Other Information NPANXX : 339987 County Population : 0 Switch CLLI (Common Language Location Identifier) : WRXBMAWACM3 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA OCN (Operating Company Number) : 6387 Coverage Area Name : RANDOLPH Latitude : 42.1649 Longitude : -71.0414 ‹ previous : 339-970 next › : 340-201 Telephone Number List 339-987-0000 ~ 339-987-9999