Area Code 978-773 located in NORTH ANDOVER, ESSEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 773 City : NORTH ANDOVER 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 : ANDOVER ZIP Code Count : 1 ZIP Code Frequency : 33 ZIP Code : 01845 Other Information NPANXX : 978773 Switch CLLI (Common Language Location Identifier) : MRBOMAFZDS0 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 : TELEPORT COMMUNICATIONS GROUP - BOSTON OCN (Operating Company Number) : 7135 Coverage Area Name : ANDOVER Latitude : 42.6568 Longitude : -71.1394 ‹ previous : 978-772 next › : 978-773 Telephone Number List 978-773-0000 ~ 978-773-9999