Area Code 204-378 located in RIVERTON, , MB, more detail is as below. Place NPA (Numbering Plan Area) : 204 NXX (Local Number Prefix) : 378 City : RIVERTON State : MB (Manitoba) NXX Use Type : Landline NXX Intro Version : 1994-02-04 LATA (Local Access Transport Area) : 888 ZIP Code Count : 0 ZIP Code Frequency : 100 ZIP Code : R0C 2R0 Other Information NPANXX : 204378 County Population : 51773 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Coverage Area Name : RIVERTON Latitude : 51.0000 Longitude : -97.0014 ‹ previous : 204-377 next › : 204-379 Telephone Number List 204-378-0000 ~ 204-378-9999