Area Code 978-240 located in HUDSON, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 240 City : HUDSON 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 : HUDSON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01749 Other Information NPANXX : 978240 Switch CLLI (Common Language Location Identifier) : FKLNMACNDS0 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 : NORFOLK COUNTY INTERNET, INC. OCN (Operating Company Number) : 6083 Coverage Area Name : HUDSON Latitude : 42.3913 Longitude : -71.5699 ‹ previous : 978-239 next › : 978-241 Telephone Number List 978-240-0000 ~ 978-240-9999