Area Code 413-538 located in WESTFIELD, HAMPDEN, MA, more detail is as below. Place NPA (Numbering Plan Area) : 413 NXX (Local Number Prefix) : 538 City : WESTFIELD County : HAMPDEN State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 25013 LATA (Local Access Transport Area) : 126 Rate Center : HOLYOKE ZIP Code Count : 31 ZIP Code Frequency : 2 ZIP Code : 01085 Other Information NPANXX : 413538 Switch CLLI (Common Language Location Identifier) : HLYKMAMADS1 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 : VERIZON NEW ENGLAND INC. OCN (Operating Company Number) : 9102 Coverage Area Name : HOLYOKE Latitude : 42.2044 Longitude : -72.6131 ‹ previous : 413-538 next › : 413-538 Telephone Number List 413-538-0000 ~ 413-538-9999