Area Code 781-285 located in HOLBROOK, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 781 NXX (Local Number Prefix) : 285 City : HOLBROOK County : NORFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 25021 LATA (Local Access Transport Area) : 128 Rate Center : DUXBURY ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 02343 Other Information NPANXX : 781285 Switch CLLI (Common Language Location Identifier) : BSTNMALBDS1 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 : TELEPORT COMMUNICATIONS GROUP - BOSTON OCN (Operating Company Number) : 7135 Coverage Area Name : DUXBURY Latitude : 42.0242 Longitude : -70.6803 ‹ previous : 781-284 next › : 781-286 Telephone Number List 781-285-0000 ~ 781-285-9999