878 Area Code

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Establish a Local Presence in Southwestern Pennsylvania

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Want to connect with customers in Pittsburgh, Monroeville, or Bethel Park? The 878 area code overlays the existing 412 and 724 areas to make more numbers available without changing existing ones.
With DialLink’s business phone system, you can choose a new 878 area code number or port your existing 412 or 724 number. You’ll get advanced calling tools, AI voice agents, smart routing, and unified messaging — all optimized for small businesses and startups.

Why Choose a 878 Area Code?

The 878 overlay serves the same territory as 412 (Pittsburgh city & surrounding Allegheny County) and 724 (surrounding suburbs and smaller towns) area codes.
This region combines dense urban areas, healthcare hubs, technology firms, universities, and strong suburban communities. Having an 878 area code number can increase local credibility, improve answer rates, and help your business feel genuinely local.

Get More Than a Local Number

When you choose a local number from DialLink, you're getting more than just digits:

Whether you're in southwestern Pennsylvania or thousands of miles away, DialLink helps your business sound local, work smarter, and scale seamlessly.

Who Can Benefit from a Local Phone Number

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Local businesses in Pittsburgh, Monroeville, Bethel Park

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Retailers and tech firms operating both in city and suburbs

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Remote or field teams needing reliable number presence in the region

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Companies expanding in Western Pennsylvania seeking local caller ID

How to Get a Local Number with DialLink

  1. Sign up for any DialLink plan

  2. Pick a local number during setup, or port your existing one

  3. Start making and receiving calls instantly via mobile, desktop, web, or desk phones

Choose Your Local Phone Number

Expand Beyond Area Code 878

Start local, grow regionally or beyond. With DialLink’s business phone system, you can add local and international numbers in 100+ countries, so your business can scale while staying connected.

Frequently Asked Questions

Where is the 878 area code located?

The 878 area code covers southwestern Pennsylvania. It overlays the same area as 412 and 724, including Pittsburgh and its surrounding suburbs.

What cities are the 878 area code?

Cities include Pittsburgh, Monroeville, Bethel Park, and many suburbs across Allegheny, Washington, and Westmoreland counties.

What is the 878 area code an overlay for?

878 is an overlay for 412 and 724, serving the same geographic territory.

What is an overlay area code?

An overlay area code is a second code assigned to the same geographic region as an existing one. It allows more phone numbers to be issued without forcing existing users to change their numbers.

What area codes are from Pennsylvania?

Pennsylvania has many area codes, including 412 / 878 / 724, 215 / 267 / 445, 570 / 272, 484 / 610 / 835, 814 / 582, etc.

When was 878 activated?

The 878 overlay was activated in 2001 to provide relief to the 412 and 724 codes. Numbers under 878 started being issued more broadly around 2013–2015.

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