Area Code 320-397 located in MONTEVIDEO, CHIPPEWA, MN, more detail is as below. Place NPA (Numbering Plan Area) : 320 NXX (Local Number Prefix) : 397 City : MONTEVIDEO County : CHIPPEWA State : MN (Minnesota) NXX Use Type : Landline NXX Intro Version : 2003-05-09 FIPS (Federal Information Processing Standards) : 27023 LATA (Local Access Transport Area) : 626 Rate Center : MONTEVIDEO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 56265 Other Information NPANXX : 320397 County Population : 0 Switch CLLI (Common Language Location Identifier) : STCDMNATPMD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ENVENTIS TELECOM, INC. - MN OCN (Operating Company Number) : 4587 Coverage Area Name : MONTEVIDEO Latitude : 44.9495 Longitude : -95.7252 ‹ previous : 320-396 next › : 320-398 Telephone Number List 320-397-0000 ~ 320-397-9999