Area Code 978-512 located in TYNGSBORO, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 512 City : TYNGSBORO County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 2003-02-09 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : TYNGSBORO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01879 Other Information NPANXX : 978512 Switch CLLI (Common Language Location Identifier) : WOBNMACGCM1 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 : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : TYNGSBORO Latitude : 42.6737 Longitude : -71.4244 ‹ previous : 978-510 next › : 978-513 Telephone Number List 978-512-0000 ~ 978-512-9999