Area Code 217-961 located in MARSHALL, CLARK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 961 City : MARSHALL County : CLARK State : IL (Illinois) NXX Intro Version : 1/13/2007 FIPS (Federal Information Processing Standards) : 17023 Rate Center : MARSHALL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 62441 Other Information NPANXX : 217961 County Population : 0 Switch CLLI (Common Language Location Identifier) : TRRHINXA8MD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 217-960 next › : 217-962 Telephone Number List 217-961-0000 ~ 217-961-9999