Area Code 878

Country United States
State/Province Pennsylvania 
Major City Pittsburgh 
Easy URL 

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878 Area Code is an area code finder with detailed information on the 878 area code including 878 area code map.

Major cities like Pittsburgh within area code 878 are also listed on this page. More area codes, including those outside of Pennsylvania, are found on the homepage.

Some telephone area codes are overlaid, requiring 10-digit dialing. is your one-stop site for area code lookup, area code search, and area code locator.

Area Code 878 Detail

878 is an overlay code for area code 412 and 724 in southwest Pennsylvania, though no numbers have yet been assigned to it. 10-digit dialing is mandatory in the area.

878 Area Code Location
Major Cities County State/Province
Pittsburgh  Allegheny  PA 
Other Cities By Name
Bethel Park  Allegheny  PA 
Monroeville  Allegheny  PA 
New Castle  Lawrence  PA 
Penn Hills  Allegheny  PA 
Plum  Allegheny  PA 

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