Area Code 217-400 located in SPRINGFIELD, SANGAMON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 400 City : SPRINGFIELD County : SANGAMON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 2002-08-04 FIPS (Federal Information Processing Standards) : 17167 LATA (Local Access Transport Area) : 374 Rate Center : SPRINGFLD ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 62707 Other Information NPANXX : 217400 County Population : 0 Switch CLLI (Common Language Location Identifier) : SPFEIL10DS0 MSA CBSA (Core Based Statistical Area) : Springfield, IL MSA CBSA Code (Core Based Statistical Area) : 44100 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NORTH COUNTY COMMUNICATIONS CORP. - CA OCN (Operating Company Number) : 7894 Coverage Area Name : SPRINGFIELD Latitude : 39.7984 Longitude : -89.6484 ‹ previous : 217-399 next › : 217-400 Telephone Number List 217-400-0000 ~ 217-400-9999