Establish a local presence by purchasing a phone number in area code 878. Phone numbers in area code 878 are associated with the state of Pennsylvania. There are currently at least 10 U.S. cities and 56 U.S. ZIP Codes associated with this telephone area code. In addition, there are at least 800 NXX's (the three-digit code that makes up digits 4-6 of a standard 10-digit U.S. phone number) available for use along with area code 878.
Phone numbers in area code 878 are associated with the state of Pennsylvania.
The 878 area code currently has at least 10 cities in Pennsylvania associated with it: Bethel Park, PA; McKeesport, PA; Mount Lebanon, PA; Monroeville, PA; New Castle, PA; Penn Hills, PA; Pittsburgh, PA; Plum, PA; Upper Saint Clair, PA; and West Mifflin, PA.
There are at least 56 U.S. ZIP codes associated with the area code 878 at this time (view all here).
The ZIP Code 15601 is the ZIP Code most frequently connected to the 878 area code. The 15601 ZIP Code is primarily associated with Westmoreland County in the state of Pennsylvania.
There are 12 counties associated with the 878 area code: Beaver County; Mercer County; Washington County; Crawford County; Fayette County; Butler County; Allegheny County; Westmoreland; Lawrence County; Armstrong County; Greene County; Indiana County.
An NXX, which is also known as the a "central office code" or an "exchange", is the three-digit sequence that comprises digits 4-6 of a standard 10-digit U.S. phone number. The NXX is the second main part of a phone number that comes directly after the area code, e.g. (878)-949-xxxx.
Detailed information about area code 878 phone numbers. Establish a Pennsylvania presence with a 878 number.