Area Code 319-489 located in MECHANICSVILLE, CEDAR, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 489 City : MECHANICSVILLE County : CEDAR State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19031 LATA (Local Access Transport Area) : 635 Rate Center : MORLEY ZIP Code Count : 9 ZIP Code Frequency : 4 ZIP Code : 52306 Other Information NPANXX : 319489 County Population : 0 Switch CLLI (Common Language Location Identifier) : MRLYIAXO489 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : OLIN & MORLEY TELEPHONE CO. OCN (Operating Company Number) : 1264 Coverage Area Name : MARTELLE Latitude : 42.0054 Longitude : -91.2485 ‹ previous : 319-489 next › : 319-489 Telephone Number List 319-489-0000 ~ 319-489-9999