Area Code 802-424 located in SAINT JOHNSBURY, CALEDONIA, VT, more detail is as below. Place NPA (Numbering Plan Area) : 802 NXX (Local Number Prefix) : 424 City : SAINT JOHNSBURY County : CALEDONIA State : VT (Vermont) NXX Use Type : Landline NXX Intro Version : 2/23/2010 FIPS (Federal Information Processing Standards) : 50005 LATA (Local Access Transport Area) : 124 Rate Center : ST JOHNSBY ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 05819 Other Information NPANXX : 802424 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CTC COMMUNICATIONS CORP. - VT OCN (Operating Company Number) : 2699 Coverage Area Name : ST JOHNSBURY Latitude : 44.4180 Longitude : -72.0229 ‹ previous : 802-423 next › : 802-425 Telephone Number List 802-424-0000 ~ 802-424-9999