Area Code 320-403 located in WILLMAR, KANDIYOHI, MN, more detail is as below. Place NPA (Numbering Plan Area) : 320 NXX (Local Number Prefix) : 403 City : WILLMAR County : KANDIYOHI State : MN (Minnesota) NXX Use Type : Landline NXX Intro Version : 6/3/2009 FIPS (Federal Information Processing Standards) : 27067 LATA (Local Access Transport Area) : 626 Rate Center : WILLMAR ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 56201 Other Information NPANXX : 320403 County Population : 0 MSA CBSA (Core Based Statistical Area) : Willmar, MN MSA CBSA Code (Core Based Statistical Area) : 48820 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : TELEPORT COMMUNICATIONS AMERICA, LLC - MN OCN (Operating Company Number) : 8405 Coverage Area Name : WILLMAR Latitude : 45.1165 Longitude : -95.0504 ‹ previous : 320-402 next › : 320-404 Telephone Number List 320-403-0000 ~ 320-403-9999