Area Code 978-381 located in GLOUCESTER, ESSEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 381 City : GLOUCESTER County : ESSEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 25009 LATA (Local Access Transport Area) : 128 Rate Center : GLOUCESTER ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01930 Other Information NPANXX : 978381 Switch CLLI (Common Language Location Identifier) : CMBRMAORDS3 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 : LEVEL 3 COMMUNICATIONS, LLC - MA OCN (Operating Company Number) : 4018 Coverage Area Name : GLOUCESTER Latitude : 42.6111 Longitude : -70.6597 ‹ previous : 978-380 next › : 978-382 Telephone Number List 978-381-0000 ~ 978-381-9999