878 area code

The 878 area code is an overlay area code serving parts of southwestern Pennsylvania, including the Pittsburgh metropolitan area. Introduced as an overlay to the existing 412 and 724 area codes, the 878 area code was implemented to address the increasing demand for telephone numbers in the region. Overlay area codes are introduced when the existing numbering resources are exhausted, allowing new phone numbers to be assigned to accommodate population growth and the proliferation of communication devices. The 878 area code ensures continued telecommunications services for residents, businesses, and organizations in the designated geographic area.

State Pennsylvania
Major City Pittsburgh
Timezone Eastern Time zone
878Area Code - Location map, cities, time zone, and more

What time zone is area code 878?

Area code 878 is located in the Eastern Time Zone (ET) in the United States. The Eastern Time Zone is four hours behind Coordinated Universal Time (UTC-4). This time zone encompasses a significant portion of the eastern United States, including states such as Pennsylvania, where area code 878 is primarily assigned. Residents and businesses in the 878 area code follow Eastern Standard Time (EST) during the non-daylight saving months and Eastern Daylight Time (EDT) when daylight saving time is observed, providing consistency in timekeeping and coordination with neighboring regions.

Note that the start and end dates of daylight saving time can change

History

The history of area code 878 is closely tied to the growing demand for telephone numbers in southwestern Pennsylvania, particularly in the Pittsburgh metropolitan area. Introduced as an overlay to the existing 412 and 724 area codes, the 878 area code became effective on August 17, 2001. Overlays are implemented when the available phone numbers within an existing area code are depleted due to increased population, technological advancements, and the rise of communication devices.

Nearby Areacodes of 878

This table provides a quick overview of all area codes, their locations, and some historical context for each.

Area Code Location History and Details
234/330 Akron, OH The 234/330 area code serves Akron, OH, and the surrounding region, contributing to the telecommunications infrastructure and supporting connectivity in the local community.
240/301 Germantown, MD The 240/301 area code serves Germantown, MD, and the surrounding region. It has played a crucial role in providing communication services to the residents, businesses, and organizations in this area.
304/681 West Virginia The 304/681 area code covers the state of West Virginia, contributing to the telecommunications infrastructure and connectivity for the residents and businesses in the region.
412 Pittsburgh, PA The 412 area code is dedicated to Pittsburgh, PA, and has been integral in providing telecommunication services to the residents and businesses in this area.
440 Parma, OH The 440 area code serves Parma, OH, and its surrounding areas, contributing to the telecommunications infrastructure and supporting connectivity in the local community.
724 New Castle, PA The 724 area code covers New Castle, PA, and its surroundings, playing a vital role in the provision of telecommunication services and supporting connectivity in the local community.
814 Erie, PA The 814 area code serves Erie, PA, and the surrounding regions, contributing to the telecommunications infrastructure and supporting connectivity in the local community.
878 Pittsburgh, PA The 878 area code is designated for Pittsburgh, PA, and has been essential in providing communication services to the residents, businesses, and organizations in the area.

Counties in Area Code 878

Area code 878 covers a total of 13 counties in the state of Maryland. These counties include a diverse range of landscapes and communities, from the eastern plains to the western mountains.

County Total Population % of 878 % of County
Allegheny, PA 1,223,348 10% 100%
Westmoreland, PA 365,169 13% 97%
Washington, PA 207,820 11% 100%
Butler, PA 183,862 11% 100%
Beaver, PA 170,539 6% 100%
Fayette, PA 136,606 11% 100%
Mercer, PA 116,638 8% 88%
Lawrence, PA 91,108 5% 100%
Indiana, PA 88,880 8% 73%
Armstrong, PA 68,941 7% 83%
Greene, PA 38,686 8% 100%
Crawford, PA 88,765 1% 6%
Clarion, PA 39,988 1% 9%

Cities in Area Code 878

Here are the some of the major cities and towns in Maryland covered by area code 878 include Cheyenne, Casper, Laramie, Gillette, Rock Springs, Sheridan, Jackson, Cody, and Evanston, among others. There are many more smaller towns and communities within this area code as well.

County Total Population % of 878 % of County
Pittsburgh, PA 305,704 1% 100%
Bethel Park, PA 32,313 0% 100%
Monroeville, PA 28,386 0% 100%
Plum, PA 27,126 0% 100%
New Castle, PA 23,273 0% 100%
Allison Park, PA 21,552 0% 100%
West Mifflin, PA 20,313 0% 100%
Murrysville, PA 20,079 0% 100%
Baldwin, PA 19,767 0% 100%
McKeesport, PA 19,731 0% 100%
Upper St. Clair, PA 19,229 0% 100%
Hermitage, PA 16,220 0% 100%
Wilkinsburg, PA 15,930 0% 100%
Pittsburgh, PA 305,704 1% 100%
Bethel Park, PA 32,313 0% 100%
Monroeville, PA 28,386 0% 100%
Plum, PA 27,126 0% 100%
New Castle, PA 23,273 0% 100%
Allison Park, PA 21,552 0% 100%
West Mifflin, PA 20,313 0% 100%
Murrysville, PA 20,079 0% 100%
Baldwin, PA 19,767 0% 100%
McKeesport, PA 19,731 0% 100%
Upper St. Clair, PA 19,229 0% 100%
Hermitage, PA 16,220 0% 100%
Wilkinsburg, PA 15,930 0% 100%
Pittsburgh, PA 305,704 1% 100%
Bethel Park, PA 32,313 0% 100%
Monroeville, PA 28,386 0% 100%
Plum, PA 27,126 0% 100%
New Castle, PA 23,273 0% 100%
Allison Park, PA 21,552 0% 100%
West Mifflin, PA 20,313 0% 100%
Murrysville, PA 20,079 0% 100%
Baldwin, PA 19,767 0% 100%
McKeesport, PA 19,731 0% 100%
Upper St. Clair, PA 19,229 0% 100%
Hermitage, PA 16,220 0% 100%
Wilkinsburg, PA 15,930 0% 100%
Greensburg, PA 14,892 0% 100%
Sharon, PA 14,038 0% 100%
Indiana, PA 13,975 0% 100%
Whitehall, PA 13,944 0% 100%
Butler, PA 13,757 0% 100%
Washington, PA 13,663 0% 100%
Franklin Park, PA 13,470 0% 100%
South Park Township, PA 13,416 0% 100%
New Kensington, PA 13,116 0% 100%
Fernway, PA 12,414 0% 100%
Lower Burrell, PA 11,761 0% 100%
Munhall, PA 11,406 0% 100%
Carnot-Moon, PA 11,372 0% 100%
Jefferson Hills, PA 10,619 0% 100%
Greensburg, PA 14,892 0% 100%
Sharon, PA 14,038 0% 100%
Indiana, PA 13,975 0% 100%
Whitehall, PA 13,944 0% 100%
Butler, PA 13,757 0% 100%
Washington, PA 13,663 0% 100%
Franklin Park, PA 13,470 0% 100%
South Park Township, PA 13,416 0% 100%
New Kensington, PA 13,116 0% 100%
Fernway, PA 12,414 0% 100%
Lower Burrell, PA 11,761 0% 100%
Munhall, PA 11,406 0% 100%
Carnot-Moon, PA 11,372 0% 100%
Jefferson Hills, PA 10,619 0% 100%
Uniontown, PA 10,372 0% 100%
Jeannette, PA 9,654 0% 100%
Brentwood, PA 9,643 0% 100%
Aliquippa, PA 9,438 0% 100%
Canonsburg, PA 8,992 0% 100%
Beaver Falls, PA 8,987 0% 100%
Swissvale, PA 8,983 0% 100%
Glenshaw, PA 8,981 0% 100%
Economy, PA 8,970 0% 100%
Dormont, PA 8,593 0% 100%
Bellevue, PA 8,370 0% 100%
Latrobe, PA 8,338 0% 100%
Grove City, PA 8,322 0% 100%
Castle Shannon, PA 8,316 0% 100%
Pleasant Hills, PA 8,268 0% 100%
Greensburg, PA 14,892 0% 100%
Sharon, PA 14,038 0% 100%
Indiana, PA 13,975 0% 100%
Whitehall, PA 13,944 0% 100%
Butler, PA 13,757 0% 100%
Washington, PA 13,663 0% 100%
Franklin Park, PA 13,470 0% 100%
South Park Township, PA 13,416 0% 100%
New Kensington, PA 13,116 0% 100%
Fernway, PA 12,414 0% 100%
Lower Burrell, PA 11,761 0% 100%
Munhall, PA 11,406 0% 100%
Carnot-Moon, PA 11,372 0% 100%
Jefferson Hills, PA 10,619 0% 100%
Uniontown, PA 10,372 0% 100%
Jeannette, PA 9,654 0% 100%
Brentwood, PA 9,643 0% 100%
Aliquippa, PA 9,438 0% 100%
Canonsburg, PA 8,992 0% 100%
Beaver Falls, PA 8,987 0% 100%
Swissvale, PA 8,983 0% 100%
Glenshaw, PA 8,981 0% 100%
Economy, PA 8,970 0% 100%
Dormont, PA 8,593 0% 100%
Bellevue, PA 8,370 0% 100%
Latrobe, PA 8,338 0% 100%
Grove City, PA 8,322 0% 100%
Castle Shannon, PA 8,316 0% 100%
Pleasant Hills, PA 8,268 0% 100%
Carnegie, PA 7,972 0% 100%
Ellwood City, PA 7,921 0% 100%

Largest telephone carriers in area code 878

This table provides a quick overview of nearby area codes, their locations, and some historical context for each.

Carrier Landline Market Share Wireless Market Share
Voxbeam Telecommunications 36% -
Peerless Network 18% -
Salsgiver Telecom 18% -
Time Warner Cable Information Svcs (PA) 9% -
Level 3 9% -
Other 1% -
Aerial - 1%
Other - 9%

Prefixes in Area Code 878

Below is the list of some of Prefixes in area code 878

Prefix Usage Primary City Carrier Introduction Date
(878) 201- landline Rochester Peerless Network 04/17/2013
(878) 202- landline Sharon Time Warner Cable (pa), PA 05/31/2013
(878) 222- landline New Wilmington Voxbeam Telecom 07/10/2013
(878) 258- landline Freeport Salsgiver Telecom 04/01/2014
(878) 295- wirless Greensburg Aerial Comms 04/01/2014
(878) 302- landline Pittsburgh Peerless Network 04/17/2013
(878) 332- landline Wexford Level 3 Comms 01/28/2014
(878) 422- landline Freeport Salsgiver Telecom 04/01/2014
(878) 444- landline Homer City Voxbeam Telecom 08/12/2013
(878) 777- landline Derry Voxbeam Telecom 05/09/2013
(878) 888- landline Aultman Voxbeam Telecom 04/25/2013