What is 878 area code?

The 878 area code is an overlay area code for the 412 and 724 area codes in southwestern Pennsylvania. It was activated on August 17, 2001 as a relief plan to ensure an adequate supply of telephone numbers in the region. The overlay area code was necessary due to the increasing demand for phone numbers in the Pittsburgh metropolitan area.

The 878 area code covers cities such as Pittsburgh, Bethel Park, Greensburg, McKeesport, and Monroeville among others. It is currently located in the Eastern Time Zone and is assigned to both landline and wireless phone numbers.

The implementation of the 878 area code allowed existing phone numbers to retain their original area codes while new phone numbers in the region were assigned the new area code. It is important for residents and businesses in the area to be aware of the 878 area code when making local calls to ensure proper dialing procedures.