Area Code 978-664 located in NORTH READING, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 664 City : NORTH READING County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : NO READING ZIP Code Count : 4399 ZIP Code Frequency : 99 ZIP Code : 01864 Other Information NPANXX : 978664 Switch CLLI (Common Language Location Identifier) : NRDGMACERS1 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 : N READING Latitude : 42.5765 Longitude : -71.0930 ‹ previous : 978-663 next › : 978-665 Telephone Number List 978-664-0000 ~ 978-664-9999