Area Code 878 at a Glance
| Area code | 878 |
| Region | Pennsylvania |
| Country | United States |
| Primary timezone | America/New_York |
| Dialing format | +1 (878) NXX-XXXX |
Frequently Asked Questions
Where is area code 878?
Area code 878 serves Pennsylvania, United States.
Who is calling me from area code 878?
A call from area code 878 most likely originates from Pennsylvania, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 878 number?
Within North America: dial 1-878 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 878 and the number.