Area Code 413-578 located in MONSON, HAMPDEN, MA, more detail is as below. Place NPA (Numbering Plan Area) : 413 NXX (Local Number Prefix) : 578 City : MONSON County : HAMPDEN State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 25013 LATA (Local Access Transport Area) : 126 Rate Center : PALMER ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01057 Other Information NPANXX : 413578 Switch CLLI (Common Language Location Identifier) : SPFDMAWOXQY 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 : AMERICAN MESSAGING (AM), INC. OCN (Operating Company Number) : 9748 Coverage Area Name : PALMER Latitude : 42.1586 Longitude : -72.3235 ‹ previous : 413-577 next › : 413-578 Telephone Number List 413-578-0000 ~ 413-578-9999