Area Code 413-831 located in SOUTHWICK, HAMPDEN, MA, more detail is as below. Place NPA (Numbering Plan Area) : 413 NXX (Local Number Prefix) : 831 City : SOUTHWICK County : HAMPDEN State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 25013 LATA (Local Access Transport Area) : 126 Rate Center : SOUTHWICK ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01077 Other Information NPANXX : 413831 Switch CLLI (Common Language Location Identifier) : SPFDMAXLDS1 MSA CBSA (Core Based Statistical Area) : Springfield, MA MSA CBSA Code (Core Based Statistical Area) : 44140 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CHOICE ONE COMMUNICATIONS - MA OCN (Operating Company Number) : 4673 Coverage Area Name : SOUTHWICK Latitude : 42.0575 Longitude : -72.7697 ‹ previous : 413-829 next › : 413-832 Telephone Number List 413-831-0000 ~ 413-831-9999