Area Code 660-217 located in CALHOUN, HENRY, MO, more detail is as below. Place NPA (Numbering Plan Area) : 660 NXX (Local Number Prefix) : 217 City : CALHOUN County : HENRY State : MO (Missouri) NXX Use Type : Landline NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 29083 LATA (Local Access Transport Area) : 524 Rate Center : COAL ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 65323 Other Information NPANXX : 660217 Switch CLLI (Common Language Location Identifier) : WRBGMOXA6MD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOCKET TELECOM, LLC - MO OCN (Operating Company Number) : 554A Coverage Area Name : CLINTON Latitude : 38.3258 Longitude : -93.6153 ‹ previous : 660-216 next › : 660-217 Telephone Number List 660-217-0000 ~ 660-217-9999