Area Code 217-677 located in HAMMOND, PIATT, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 677 City : HAMMOND County : PIATT State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17147 LATA (Local Access Transport Area) : 374 Rate Center : LA PLACE ZIP Code Count : 29 ZIP Code Frequency : 12 ZIP Code : 61929 Other Information NPANXX : 217677 County Population : 0 Switch CLLI (Common Language Location Identifier) : LAPLILXCRS0 MSA CBSA (Core Based Statistical Area) : Champaign-Urbana, IL MSA CBSA Code (Core Based Statistical Area) : 16580 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - IL OCN (Operating Company Number) : 1015 Coverage Area Name : CERRO GORDO Latitude : 39.8006 Longitude : -88.7177 ‹ previous : 217-677 next › : 217-677 Telephone Number List 217-677-0000 ~ 217-677-9999