Area Code 878
Pittsburgh, PA — Pennsylvania
Area code 878 serves Pittsburgh and Pennsylvania. Get a local 878 number to build instant presence in this market.
Introduced in 2001 as an overlay on the 412 and 724 codes in the Pittsburgh region. It added a third code to western Pennsylvania.
State
Pennsylvania (PA)
Capital: Harrisburg
Time Zone
ET
Eastern Time (ET)
Region
Northeast
US Census region
Code Type
Overlay
Added for capacity
Where does area code 878 cover?
Area code 878 serves communities across Pennsylvania. Cities below represent the primary coverage area per the NANP.
- Pittsburgh
- Allegheny County
Pennsylvania phone number landscape
Pennsylvania's 12 area codes span Philadelphia's biotech and education economy, Pittsburgh's steel-to-tech transformation, and Central PA's agriculture, manufacturing, and defense sectors.
Number format
When dialing from outside the US, prefix with +1. Within the US, dial all 10 digits including the area code.
History of Area Code 878
Introduced in 2001 as an overlay on the 412 and 724 codes in the Pittsburgh region. It added a third code to western Pennsylvania.
Why get a 878 area code number?
A local 878 number gives your business a genuine connection to the Pennsylvania market — without the overhead of a physical location.
Local Market Access
Reach Pittsburgh customers and businesses with a familiar local number. Pittsburgh's expanding health-system economy, led by UPMC, sustains a vast medical-services supply chain. Healthcare vendors and medical-staffing firms increasingly carry 878 numbers as 412 fills.
Professional Credibility
A 878 number anchors your business in Pittsburgh and Pennsylvania, giving clients and partners a recognizable local point of contact that builds immediate professional trust.
Higher Answer Rates
Local area codes are far less likely to be blocked. A 878 number keeps your outreach out of the spam folder.
Flexible Operations
Start with one 878 number and add more as you grow — all managed from a single letsdial dashboard.
How to obtain a 878 phone number.
Step 01 · Sign up
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Benefits of a local Pennsylvania number
A 878 area code tells Pennsylvania customers you're local and easy to reach.
- Local 878 numbers get answered more often than toll-free or out-of-state calls.
- Build local trust and brand recognition without a physical office.
- Keep your personal number private with a dedicated 878 business line.
Why local numbers win
Frequently asked about 878
Area code 878 covers Pittsburgh, Allegheny County in Pennsylvania. It is an overlay code, meaning it serves the same geographic area as an existing area code in the region.
Ready to call Pennsylvania your market?
Get a local 878 number for your business in minutes. No contracts, no hardware — just a trusted local presence in Pennsylvania from day one.
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