Area Code 617-312 located in QUINCY, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 617 NXX (Local Number Prefix) : 312 City : QUINCY County : NORFOLK State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 1996-07-01 FIPS (Federal Information Processing Standards) : 25021 LATA (Local Access Transport Area) : 128 Rate Center : BOSTON ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 02169 Other Information NPANXX : 617312 Switch CLLI (Common Language Location Identifier) : WRXBMAWACM2 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 Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA OCN (Operating Company Number) : 6387 Coverage Area Name : BOSTON Latitude : 42.3568 Longitude : -71.0588 ‹ previous : 617-310 next › : 617-312 Telephone Number List 617-312-0000 ~ 617-312-9999