Area Code 641-768 located in MACKSBURG, MADISON, IA, more detail is as below. Place NPA (Numbering Plan Area) : 641 NXX (Local Number Prefix) : 768 City : MACKSBURG County : MADISON State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 19121 LATA (Local Access Transport Area) : 632 Rate Center : MACKSBURG ZIP Code Count : 105 ZIP Code Frequency : 79 ZIP Code : 50155 Other Information NPANXX : 641768 MSA CBSA (Core Based Statistical Area) : Des Moines-West Des Moines, IA MSA CBSA Code (Core Based Statistical Area) : 19780 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : WINDSTREAM IOWA COMMUNICATIONS, INC. OCN (Operating Company Number) : 1178 Coverage Area Name : MACKSBURG Latitude : 41.2164 Longitude : -94.1883 ‹ previous : 641-768 next › : 641-772 Telephone Number List 641-768-0000 ~ 641-768-9999