The area code 878 is located in Pittsburgh, Pennsylvania.
Area code 878, the telephone code for Pittsburgh, Pennsylvania. If you're looking to connect with the vibrant city of Pittsburgh, then area code 878 is the code you need to know. Situated in the eastern part of Pennsylvania, Pittsburgh is renowned for its rich history, picturesque landscapes, and vibrant cultural scene. Don't miss out on reaching the Steel City's bustling neighborhoods, world-class attractions, and friendly locals. Dialing with confidence is as easy as adding those three magical digits: 878.