Area Code 781-493 located in LYNNFIELD, ESSEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 781 NXX (Local Number Prefix) : 493 City : LYNNFIELD County : ESSEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 25009 LATA (Local Access Transport Area) : 128 Rate Center : DEDHAM ZIP Code Count : 1 ZIP Code Frequency : 33 ZIP Code : 01940 Other Information NPANXX : 781493 Switch CLLI (Common Language Location Identifier) : WRCSMA05DS0 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 : CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC OCN (Operating Company Number) : 4052 Coverage Area Name : DEDHAM Latitude : 42.2449 Longitude : -71.1756 ‹ previous : 781-492 next › : 781-493 Telephone Number List 781-493-0000 ~ 781-493-9999