Area Code 978-633 located in NEW SALEM, FRANKLIN, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 633 City : NEW SALEM County : FRANKLIN State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 25011 LATA (Local Access Transport Area) : 128 Rate Center : ORANGE ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01355 Other Information NPANXX : 978633 Switch CLLI (Common Language Location Identifier) : SBTNMAFHDSG MSA CBSA (Core Based Statistical Area) : Springfield, MA MSA CBSA Code (Core Based Statistical Area) : 44140 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : RCN TELECOM SERVICES, INC. - MA OCN (Operating Company Number) : 7619 Coverage Area Name : ORANGE Latitude : 42.5904 Longitude : -72.3076 ‹ previous : 978-632 next › : 978-633 Telephone Number List 978-633-0000 ~ 978-633-9999