Area Code 978-206 located in ACTON, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 206 City : ACTON County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : ACTON ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 01720 Other Information NPANXX : 978206 Switch CLLI (Common Language Location Identifier) : ACTNMAPLDS0 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 : MCIMETRO ACCESS TRANSMISSION SERVICES LLC OCN (Operating Company Number) : 7229 Coverage Area Name : ACTON Latitude : 42.5213 Longitude : -71.4338 ‹ previous : 978-205 next › : 978-207 Telephone Number List 978-206-0000 ~ 978-206-9999