Area Code 641-745 located in GREENFIELD, ADAIR, IA, more detail is as below. Place NPA (Numbering Plan Area) : 641 NXX (Local Number Prefix) : 745 City : GREENFIELD County : ADAIR State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 19001 LATA (Local Access Transport Area) : 632 Rate Center : FONTANELLE ZIP Code Count : 15 ZIP Code Frequency : 3 ZIP Code : 50849 Other Information NPANXX : 641745 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 : FONTANELLE Latitude : 41.2906 Longitude : -94.5640 ‹ previous : 641-745 next › : 641-745 Telephone Number List 641-745-0000 ~ 641-745-9999