Area Code 320-383 located in GRANITE FALLS, YELLOW MEDICINE, MN, more detail is as below. Place NPA (Numbering Plan Area) : 320 NXX (Local Number Prefix) : 383 City : GRANITE FALLS County : YELLOW MEDICINE State : MN (Minnesota) NXX Use Type : Landline NXX Intro Version : 1996-04-15 FIPS (Federal Information Processing Standards) : 27173 LATA (Local Access Transport Area) : 626 Rate Center : HAZEL RUN ZIP Code Count : 63 ZIP Code Frequency : 71 ZIP Code : 56241 Other Information NPANXX : 320383 County Population : 0 Switch CLLI (Common Language Location Identifier) : HZRNMNXARS0 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 : 44.7504 Longitude : -95.7175 ‹ previous : 320-383 next › : 320-384 Telephone Number List 320-383-0000 ~ 320-383-9999