Area Code 978-517 located in AMESBURY, ESSEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 517 City : AMESBURY County : ESSEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2001-06-30 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 : 978517 Switch CLLI (Common Language Location Identifier) : CMBRMAMQDS0 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 : XO MASSACHUSETTS, INC. OCN (Operating Company Number) : 4536 Coverage Area Name : AMESBURY Latitude : 42.8521 Longitude : -70.9350 ‹ previous : 978-516 next › : 978-518 Telephone Number List 978-517-0000 ~ 978-517-9999