What area code is 878?
Here's everything about it.
Instant lookup for the 878 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
878 at a glance
Summary
Cities & regions served by 878
Pittsburgh (overlay)1 community on record for 878.
Where 878 sits on the map
Overlay of 412, 724Coverage area
About the 878 region
878 covers Pittsburgh in Pennsylvania. The code has been in service since 2001.
878 itself is an overlay: it shares its territory with 412 and 724 and was introduced when those codes ran low on new number combinations. New lines may receive either code, calls between them are local, and 10-digit dialing is required across the region.
Overlaid on 412 and 724.
Who called me from 878?
Community reports- Caller ID is trivially spoofed: an incoming call that displays 878 does not prove the caller is really in the 878 region or even in the United States.
- Avoid calling back unknown one-ring numbers — some premium-rate scams rely on curiosity callbacks.
- Never share verification codes, payment details, or remote access during an unsolicited call, even if the caller claims to be your bank or a government agency.
- When a 878 call pressures you to act immediately, hang up and contact the organization directly through its official number.
Be the first to add a community report for a 878 number below.
Frequently asked questions
FAQWhat area code is 878?+–
878 is a telephone area code serving Pittsburgh in Pennsylvania, United States, in service since 2001.
Where is area code 878 located?+–
It covers Pittsburgh in Pennsylvania.
What time zone is 878?+–
878 observes Eastern (ET), which is UTC−5 / −4 DST and follows daylight saving time.
When did area code 878 start?+–
878 entered service in 2001. Its history: overlaid on 412 and 724.
Why does area code 878 exist?+–
878 is an overlay of 412 and 724: it covers the exact same territory and was introduced when the original code ran low on new number combinations. New lines may receive either code, calls between them are local, and 10-digit dialing applies.
Is 878 a scam area code?+–
Scam and robocall traffic can use any North American code, 878 included — caller ID is easy to spoof, so the code alone does not tell you who is really calling. Check the community reports on this page before calling back an unknown 878 number, and report anything suspicious.
Can I get a 878 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 878 number regardless of where you physically live, although in an overlaid region you may be assigned 412 and 724 instead.