Area Code 781-312 located in HANOVER, PLYMOUTH, MA, more detail is as below. Place NPA (Numbering Plan Area) : 781 NXX (Local Number Prefix) : 312 City : HANOVER County : PLYMOUTH State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2001-03-03 FIPS (Federal Information Processing Standards) : 25023 LATA (Local Access Transport Area) : 128 Rate Center : HANOVER ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02339 Other Information NPANXX : 781312 Switch CLLI (Common Language Location Identifier) : BDFRMAAWDS0 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 : RNK, INC. OCN (Operating Company Number) : 8700 Coverage Area Name : HANOVER Latitude : 42.1109 Longitude : -70.8146 ‹ previous : 781-310 next › : 781-313 Telephone Number List 781-312-0000 ~ 781-312-9999