Area Code 641-394 located in NEW HAMPTON, CHICKASAW, IA, more detail is as below. Place NPA (Numbering Plan Area) : 641 NXX (Local Number Prefix) : 394 City : NEW HAMPTON County : CHICKASAW State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 19037 LATA (Local Access Transport Area) : 632 Rate Center : NEWHAMPTON ZIP Code Count : 2497 ZIP Code Frequency : 88 ZIP Code : 50659 Other Information NPANXX : 641394 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS OCN (Operating Company Number) : 1170 Coverage Area Name : NEW HAMPTON Latitude : 43.0570 Longitude : -92.3168 ‹ previous : 641-394 next › : 641-395 Telephone Number List 641-394-0000 ~ 641-394-9999