Area Code 319-937 located in OAKVILLE, LOUISA, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 937 City : OAKVILLE County : LOUISA State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19115 LATA (Local Access Transport Area) : 634 Rate Center : KINGSTON ZIP Code Count : 29 ZIP Code Frequency : 12 ZIP Code : 52646 Other Information NPANXX : 319937 County Population : 0 Switch CLLI (Common Language Location Identifier) : KGTNIAXORS9 MSA CBSA (Core Based Statistical Area) : Muscatine, IA MSA CBSA Code (Core Based Statistical Area) : 34700 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MEDIAPOLIS TELEPHONE CO. OCN (Operating Company Number) : 1251 Coverage Area Name : MEDIAPOLIS Latitude : 40.9751 Longitude : -91.0423 ‹ previous : 319-937 next › : 319-937 Telephone Number List 319-937-0000 ~ 319-937-9999