Area Code 319-238 located in OELWEIN, FAYETTE, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 238 City : OELWEIN County : FAYETTE State : IA (Iowa) NXX Use Type : Wireless NXX Intro Version : 2004-08-17 FIPS (Federal Information Processing Standards) : 19065 LATA (Local Access Transport Area) : 635 Rate Center : OELWEIN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 50662 Other Information NPANXX : 319238 County Population : 0 Switch CLLI (Common Language Location Identifier) : CDRRIADT3MD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : OELWEIN Latitude : 42.6740 Longitude : -91.9191 ‹ previous : 319-237 next › : 319-239 Telephone Number List 319-238-0000 ~ 319-238-9999