Area Code 641-942 located in ACKWORTH, WARREN, IA, more detail is as below. Place NPA (Numbering Plan Area) : 641 NXX (Local Number Prefix) : 942 City : ACKWORTH County : WARREN State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 19181 LATA (Local Access Transport Area) : 632 Rate Center : MILO ZIP Code Count : 31 ZIP Code Frequency : 6 ZIP Code : 50001 Other Information NPANXX : 641942 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 : MILO Latitude : 41.2878 Longitude : -93.4369 ‹ previous : 641-939 next › : 641-942 Telephone Number List 641-942-0000 ~ 641-942-9999