Area Code 320-564 located in GRANITE FALLS, YELLOW MEDICINE, MN, more detail is as below. Place NPA (Numbering Plan Area) : 320 NXX (Local Number Prefix) : 564 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 : GRANITEFLS ZIP Code Count : 1945 ZIP Code Frequency : 99 ZIP Code : 56241 Other Information NPANXX : 320564 County Population : 0 Switch CLLI (Common Language Location Identifier) : GRFLMNXGRS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : EMBARQ MINNESOTA DBA CENTURYLINK OCN (Operating Company Number) : 1456 Coverage Area Name : GRANITE FALLS Latitude : 44.8132 Longitude : -95.5398 ‹ previous : 320-563 next › : 320-565 Telephone Number List 320-564-0000 ~ 320-564-9999