Area Code 413-320 located in SPRINGFIELD, HAMPDEN, MA, more detail is as below. Place NPA (Numbering Plan Area) : 413 NXX (Local Number Prefix) : 320 City : SPRINGFIELD County : HAMPDEN State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 25013 LATA (Local Access Transport Area) : 126 Rate Center : NORTHAMPTN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01144 Other Information NPANXX : 413320 Switch CLLI (Common Language Location Identifier) : SPFDMAWOXTX 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 : LEVEL 3 COMMUNICATIONS, LLC - MA OCN (Operating Company Number) : 4018 Coverage Area Name : SPRINGFIELD Latitude : 42.1130 Longitude : -72.5850 ‹ previous : 413-320 next › : 413-321 Telephone Number List 413-320-0000 ~ 413-320-9999