Area Code 641-334 located in KLEMME, HANCOCK, IA, more detail is as below. Place NPA (Numbering Plan Area) : 641 NXX (Local Number Prefix) : 334 City : KLEMME County : HANCOCK State : IA (Iowa) NXX Intro Version : 5/1/2006 FIPS (Federal Information Processing Standards) : 19081 Rate Center : KLEMME ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 50449 Other Information NPANXX : 641334 Switch CLLI (Common Language Location Identifier) : KNWHIAXODS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 641-333 next › : 641-335 Telephone Number List 641-334-0000 ~ 641-334-9999