Pennsylvania (blue) with numbering plan area 878 shown in red. Area code 878 is an area code in the North American Numbering Plan for southwestern Pennsylvania, centered in Pittsburgh.

Where is area code 878? Area code 878 is located in southwestern Pennsylvania and covers Pittsburgh, Bethel Park, and Monroeville. It is an overlay for area code 412 and area code 724 …

4 days ago · Area code 878 is located in Pennsylvania. Get area code location and dialing plans for all phone prefixes in area code 878.

Apr 17, 2013 · Find 878 area code details including city, time zone, and map. Lookup area code 878 phone number, name, and location.

About area code 878: location, common spam callers, related area codes, and more. Includes 878 reverse phone lookup to identify spam callers.

Mar 9, 2025 · 878 is an area code located in the state of Pennsylvania, US. The largest city it serves is Pittsburgh. Find out where 878 area code zone from, which states, counties and …

Area code 878 is an overlay for both area codes 412 and 724 in western Pennsylvania, including the Pittsburgh metro area and surrounding suburbs. Introduced in 2001, it was one of the first …

Got a call from 878? That's Pennsylvania - specifically areas like Pittsburgh. Check the time zone and see if it might be spam.

Area Code 878 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 1,789,999 unique phone numbers and 903,267 individuals near the cities of Pittsburgh, …

Lookup information on Area Code 878 - get demographic, NPA NXX, and other data by area code