Area Code 217-256 located in WARSAW, HANCOCK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 256 City : WARSAW County : HANCOCK State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17067 LATA (Local Access Transport Area) : 977 Rate Center : WARSAW ZIP Code Count : 741 ZIP Code Frequency : 99 ZIP Code : 62379 Other Information NPANXX : 217256 County Population : 0 Switch CLLI (Common Language Location Identifier) : WRSWILXCRS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL OCN (Operating Company Number) : 1183 Coverage Area Name : WARSAW Latitude : 40.3581 Longitude : -91.4303 ‹ previous : 217-255 next › : 217-257 Telephone Number List 217-256-0000 ~ 217-256-9999