Area Code 781-620 located in MELROSE, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 781 NXX (Local Number Prefix) : 620 City : MELROSE County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : MELROSE ZIP Code Count : 148 ZIP Code Frequency : 99 ZIP Code : 02176 Other Information NPANXX : 781620 Switch CLLI (Common Language Location Identifier) : LWLLMADBDS0 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 : COMCAST PHONE OF MASSACHUSETTS, INC. - MA OCN (Operating Company Number) : 6101 Coverage Area Name : NEEDHAM Latitude : 42.3025 Longitude : -71.2232 ‹ previous : 781-619 next › : 781-621 Telephone Number List 781-620-0000 ~ 781-620-9999