Area Code 508-520 located in NORFOLK, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 520 City : NORFOLK County : NORFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 25021 LATA (Local Access Transport Area) : 128 Rate Center : FRANKLIN ZIP Code Count : 688 ZIP Code Frequency : 22 ZIP Code : 02056 Other Information NPANXX : 508520 Switch CLLI (Common Language Location Identifier) : FKLNMAMCDS0 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 : VERIZON NEW ENGLAND INC. OCN (Operating Company Number) : 9102 Coverage Area Name : FRANKLIN Latitude : 42.0858 Longitude : -71.3994 ‹ previous : 508-519 next › : 508-520 Telephone Number List 508-520-0000 ~ 508-520-9999