Area Code 978-217 located in SUDBURY, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 217 City : SUDBURY County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 2004-01-27 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : SUDBURY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01776 Other Information NPANXX : 978217 Switch CLLI (Common Language Location Identifier) : WOBNMADWN23 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 : NEP, LLC OCN (Operating Company Number) : 174A Coverage Area Name : SUDBURY Latitude : 42.3620 Longitude : -71.4123 ‹ previous : 978-216 next › : 978-218 Telephone Number List 978-217-0000 ~ 978-217-9999