Area Code 319-258 located in MOUNT PLEASANT, HENRY, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 258 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 : SALEM ZIP Code Count : 79 ZIP Code Frequency : 24 ZIP Code : 52641 Other Information NPANXX : 319258 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 : SALEM Latitude : 40.8515 Longitude : -91.6168 ‹ previous : 319-257 next › : 319-258 Telephone Number List 319-258-0000 ~ 319-258-9999