Area Code 641-337 located in CRESTON, UNION, IA, more detail is as below. Place NPA (Numbering Plan Area) : 641 NXX (Local Number Prefix) : 337 City : CRESTON County : UNION State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 19175 LATA (Local Access Transport Area) : 632 Rate Center : ORIENT ZIP Code Count : 57 ZIP Code Frequency : 20 ZIP Code : 50801 Other Information NPANXX : 641337 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH OCN (Operating Company Number) : 1167 Coverage Area Name : ORIENT Latitude : 41.1971 Longitude : -94.4187 ‹ previous : 641-336 next › : 641-337 Telephone Number List 641-337-0000 ~ 641-337-9999