Area Code 320-325 located in GRACEVILLE, BIG STONE, MN, more detail is as below. Place NPA (Numbering Plan Area) : 320 NXX (Local Number Prefix) : 325 City : GRACEVILLE County : BIG STONE State : MN (Minnesota) NXX Use Type : Landline NXX Intro Version : 1996-04-15 FIPS (Federal Information Processing Standards) : 27011 LATA (Local Access Transport Area) : 626 Rate Center : CLINTON ZIP Code Count : 7 ZIP Code Frequency : 2 ZIP Code : 56240 Other Information NPANXX : 320325 County Population : 0 Switch CLLI (Common Language Location Identifier) : CLTNMNXARS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CENTURYTEL OF MINNESOTA INC DBA CENTURYLINK OCN (Operating Company Number) : 1445 Coverage Area Name : CLINTON Latitude : 45.4593 Longitude : -96.4384 ‹ previous : 320-325 next › : 320-325 Telephone Number List 320-325-0000 ~ 320-325-9999