Area Code 978-823 located in STOW, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 823 City : STOW County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : MAYNARD ZIP Code Count : 13 ZIP Code Frequency : 36 ZIP Code : 01775 Other Information NPANXX : 978823 Switch CLLI (Common Language Location Identifier) : QNCYMACE00T 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 : VERIZON NEW ENGLAND INC. OCN (Operating Company Number) : 9102 Coverage Area Name : SUDBURY Latitude : 42.3620 Longitude : -71.4123 ‹ previous : 978-822 next › : 978-823 Telephone Number List 978-823-0000 ~ 978-823-9999