Area Code 978-821 located in GLOUCESTER, ESSEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 821 City : GLOUCESTER County : ESSEX State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 25009 LATA (Local Access Transport Area) : 128 Rate Center : BILLERICA ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 01930 Other Information NPANXX : 978821 Switch CLLI (Common Language Location Identifier) : BURLMAEHCM1 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 : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 Coverage Area Name : BILLERICA Latitude : 42.5604 Longitude : -71.2634 ‹ previous : 978-820 next › : 978-821 Telephone Number List 978-821-0000 ~ 978-821-9999