Area Code 978-792 located in AMESBURY, ESSEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 792 City : AMESBURY County : ESSEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1998-11-20 FIPS (Federal Information Processing Standards) : 25009 LATA (Local Access Transport Area) : 128 Rate Center : AMESBURY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01913 Other Information NPANXX : 978792 Switch CLLI (Common Language Location Identifier) : MRBOMAFZDS0 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 : AMESBURY Latitude : 42.8521 Longitude : -70.9350 ‹ previous : 978-791 next › : 978-793 Telephone Number List 978-792-0000 ~ 978-792-9999