Area Code 508-850 located in WALPOLE, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 850 City : WALPOLE County : NORFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1998-05-18 FIPS (Federal Information Processing Standards) : 25021 LATA (Local Access Transport Area) : 128 Rate Center : WALPOLE ZIP Code Count : 344 ZIP Code Frequency : 87 ZIP Code : 02081 Other Information NPANXX : 508850 Switch CLLI (Common Language Location Identifier) : WLPLMASSDS0 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 : WALPOLE Latitude : 42.1426 Longitude : -71.2493 ‹ previous : 508-850 next › : 508-851 Telephone Number List 508-850-0000 ~ 508-850-9999