Area Code 413-604 located in EASTHAMPTON, HAMPSHIRE, MA, more detail is as below. Place NPA (Numbering Plan Area) : 413 NXX (Local Number Prefix) : 604 City : EASTHAMPTON County : HAMPSHIRE State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 25015 LATA (Local Access Transport Area) : 126 Rate Center : EASTHAMPTN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01027 Other Information NPANXX : 413604 Switch CLLI (Common Language Location Identifier) : SPFDMAMAOMD 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 : GLOBAL NAPS, INC.-MA OCN (Operating Company Number) : 7755 Coverage Area Name : EASTHAMPTON Latitude : 42.2707 Longitude : -72.6681 ‹ previous : 413-599 next › : 413-610 Telephone Number List 413-604-0000 ~ 413-604-9999