Area Code 319-658 located in MOUNT PLEASANT, HENRY, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 658 City : MOUNT PLEASANT County : HENRY State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19087 LATA (Local Access Transport Area) : 634 Rate Center : CRAWFODSVL ZIP Code Count : 26 ZIP Code Frequency : 10 ZIP Code : 52641 Other Information NPANXX : 319658 County Population : 0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : WINDSTREAM IOWA COMMUNICATIONS, INC. OCN (Operating Company Number) : 1178 Coverage Area Name : CRAWFORDSVILLE Latitude : 41.2125 Longitude : -91.5385 ‹ previous : 319-657 next › : 319-658 Telephone Number List 319-658-0000 ~ 319-658-9999