Area Code 506-204 located in MONCTON, , NB, more detail is as below. Place NPA (Numbering Plan Area) : 506 NXX (Local Number Prefix) : 204 City : MONCTON State : NB (New Brunswick) NXX Use Type : Landline NXX Intro Version : 2006-06-01 LATA (Local Access Transport Area) : 890 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. Other Information NPANXX : 506204 Time Zone : Atlantic (GMT -04:00) Observes Daylight Saving Time : Yes Coverage Area Name : MONCTON Latitude : 46.0930 Longitude : -64.7834 ‹ previous : 506-203 next › : 506-205 Telephone Number List 506-204-0000 ~ 506-204-9999