Area Code 320-668 located in MARIETTA, LAC QUI PARLE, MN, more detail is as below. Place NPA (Numbering Plan Area) : 320 NXX (Local Number Prefix) : 668 City : MARIETTA County : LAC QUI PARLE State : MN (Minnesota) NXX Use Type : Landline NXX Intro Version : 1996-07-01 FIPS (Federal Information Processing Standards) : 27073 LATA (Local Access Transport Area) : 626 Rate Center : MARIETTA ZIP Code Count : 259 ZIP Code Frequency : 90 ZIP Code : 56257 Other Information NPANXX : 320668 County Population : 0 Switch CLLI (Common Language Location Identifier) : MRTTMNXMRS6 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FARMERS MUTUAL TELEPHONE CO. OCN (Operating Company Number) : 1389 Coverage Area Name : MARIETTA Latitude : 45.0097 Longitude : -96.4185 ‹ previous : 320-668 next › : 320-669 Telephone Number List 320-668-0000 ~ 320-668-9999