Area Code 413-231 located in SPRINGFIELD, HAMPDEN, MA, more detail is as below. Place NPA (Numbering Plan Area) : 413 NXX (Local Number Prefix) : 231 City : SPRINGFIELD County : HAMPDEN State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1998-05-18 FIPS (Federal Information Processing Standards) : 25013 LATA (Local Access Transport Area) : 126 Rate Center : SPRINGFLD ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01152 Other Information NPANXX : 413231 Switch CLLI (Common Language Location Identifier) : SPFDMABRDS0 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 : AT&T LOCAL OCN (Operating Company Number) : 7421 Coverage Area Name : SPRINGFIELD Latitude : 42.1030 Longitude : -72.5877 ‹ previous : 413-230 next › : 413-231 Telephone Number List 413-231-0000 ~ 413-231-9999