Area Code 774-407 located in DOVER, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 774 NXX (Local Number Prefix) : 407 City : DOVER County : NORFOLK State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 4/3/2013 FIPS (Federal Information Processing Standards) : 25021 LATA (Local Access Transport Area) : 128 Rate Center : DOVER ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 02030 Other Information NPANXX : 774407 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 Overlay : L Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA OCN (Operating Company Number) : 6387 Coverage Area Name : DOVER Latitude : 42.2433 Longitude : -71.2810 ‹ previous : 774-406 next › : 774-408 Telephone Number List 774-407-0000 ~ 774-407-9999