Area Code 878-777 located in WESTMORELAND, WESTMORELAND, PA, more detail is as below. Place NPA (Numbering Plan Area) : 878 NXX (Local Number Prefix) : 777 City : WESTMORELAND County : WESTMORELAND State : PA (Pennsylvania) NXX Intro Version : 5/9/2013 Rate Center : DERRY ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 878777 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VOXBEAM TELECOMMUNICATIONS INC. - PA OCN (Operating Company Number) : 992G Latitude : None Longitude : None ‹ previous : 878-553 next › : 878-888 Telephone Number List 878-777-0000 ~ 878-777-9999