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History of 878 Area Code
Area code 878 started its service on August 17, 2001, as one of 26 area codes introduced that year. It is an overlay for area codes 412 and 724. 878 was originally created to relieve the pressure on the 412 phone numbers, which were becoming insufficient.
Furthermore, 878 is Pennsylvania’s 10th area code, which currently has 15.
Search 878 Area Code Virtual Phone Numbers
Explore Calilio’s available 878 phone numbers. Buy one and access Steel City’s flourishing market.
Some Numbers May Require Proof Of ID And Address Registration According To Local Laws.
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Exploring 878 Area Code Territory: Business Scenario and Outlook
With a highly educated workforce, a growing tech sector, and an affordable cost of living, Allegheny County, Pennsylvania, is considered one of the best business places. Furthermore, the economy here is driven by industries like technology, healthcare, engineering, education and more.
The region boasts top universities like Carnegie Mellon University and the University of Pittsburgh. Wabtec Corporation, Bayer, Kraft Heinz Company, Kennametal, ATI, Ampco-Pittsburgh, Pittsburgh Glass Works, and Wah Chang Corporation are the top employers.
Moreover, the cost of living in Allegheny County is 8.2% lower than the US average. Plus, the unemployment rate here is 3.00% (September 2024), less than the state average, and the average annual household income is $96,545.
Hence, choosing the 878 phone area code for operating or expanding any enterprise here can be beneficial.

878 Nearby Area Codes
878 Area Code Number as a Communication Tool for Business Growth
Auto Attendant
Automatically direct incoming calls to the right person/department without a live operator.
Call Forwarding
Redirect inbound calls to an alternate number when unreachable or busy network.
Call Blocking
Block unwanted users from contacting your organization to prevent fraud and useless conversations.
Queue Call Back
Systematically call back the person who tried contacting you when you were busy with another call.
Sign up with Calilio.
Select a service plan.
Choose a desired number.
Complete the payment process.
Customize its settings and enjoy.
Already Have an 878 Phone Number for Business?
If yes, shift your 878 number to Calilio effortlessly and maintain its continuity.


Why Businesses Choose Calilio for Virtual 878 Area Code Numbers?
Calilio is a leading cloud phone number provider that modernizes business communication with its high call quality. Furthermore, it offers numbers at affordable pricing and transparent billing.
High-Call Quality
Calilio offers top-tier audio quality with its noise-cancellation feature to ensure seamless connectivity at all times.
Affordable Pricing
Personalized Settings
Transparent Billing
Why Does Your Business Need an 878 Area Code Number?
Utilizing an 878 number helps firms establish a local presence, maintain professionalism, and boost the brand’s image in Pennsylvania.
Maintains Professionalism
Creates a Local Presence
Boosts Brand’s Image
Connects with Local Customers
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CRM
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Automation
LeadHeed
CRM
HubSpot
CRM
Salesforce
CRM
Mailchimp
Marketing
Krispchat
Sales Automation
Zendesk
Helpdesk
Request Integration
What Our Customers Are Saying
Discover how businesses are transforming customer service with Calilio’s innovative call center software. Our clients have shared their success stories and the impact our tool has made on their customer interactions.
Frequently Asked Questions
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