Area Code 320-855 located in MINNEOTA, LYON, MN, more detail is as below. Place NPA (Numbering Plan Area) : 320 NXX (Local Number Prefix) : 855 City : MINNEOTA County : LYON State : MN (Minnesota) NXX Use Type : Landline NXX Intro Version : 1996-04-15 FIPS (Federal Information Processing Standards) : 27083 LATA (Local Access Transport Area) : 626 Rate Center : BOYD ZIP Code Count : 5 ZIP Code Frequency : 2 ZIP Code : 56264 Other Information NPANXX : 320855 County Population : 0 Switch CLLI (Common Language Location Identifier) : BOYDMNXBRS0 MSA CBSA (Core Based Statistical Area) : Marshall, MN MSA CBSA Code (Core Based Statistical Area) : 32140 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN OCN (Operating Company Number) : 1123 Coverage Area Name : CLARKFIELD Latitude : 44.8510 Longitude : -95.9028 ‹ previous : 320-855 next › : 320-855 Telephone Number List 320-855-0000 ~ 320-855-9999