Area Code 320-598 located in MADISON, LAC QUI PARLE, MN, more detail is as below. Place NPA (Numbering Plan Area) : 320 NXX (Local Number Prefix) : 598 City : MADISON County : LAC QUI PARLE State : MN (Minnesota) NXX Use Type : Landline NXX Intro Version : 1996-04-15 FIPS (Federal Information Processing Standards) : 27073 LATA (Local Access Transport Area) : 626 Rate Center : MADISON ZIP Code Count : 1224 ZIP Code Frequency : 97 ZIP Code : 56256 Other Information NPANXX : 320598 County Population : 0 Switch CLLI (Common Language Location Identifier) : MDSNMNXMDS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FRONTIER COMMUNICATIONS OF MINNESOTA, INC. OCN (Operating Company Number) : 1367 Coverage Area Name : MADISON Latitude : 45.0147 Longitude : -96.1846 ‹ previous : 320-598 next › : 320-599 Telephone Number List 320-598-0000 ~ 320-598-9999