Area Code 978-337 located in LOWELL, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 337 City : LOWELL County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 1998-11-20 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : LOWELL ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01851 Other Information NPANXX : 978337 Switch CLLI (Common Language Location Identifier) : BLRCMAGFCM1 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA OCN (Operating Company Number) : 6387 Coverage Area Name : LOWELL Latitude : 42.6406 Longitude : -71.3089 ‹ previous : 978-336 next › : 978-337 Telephone Number List 978-337-0000 ~ 978-337-9999