Area Code 878
Area code 878 is in Pennsylvania, USA , spanning 14 counties and serving 344 cities, including Pittsburgh, New Castle or Allison Park; it currently uses 179 prefixes, assigned from 878-200-XXXX through 878-999-XXXX.
In service since August 17, 2001, area code 878 is an overlay Numbering Plan Area, part of these two distinct overlay complexes: 412/878 and 724/878.
The current local time is .
For exact NPA boundaries see official 878 area code map
Phone number lookup
More Pennsylvania area codes:
Locate any 878-NXX prefix:
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 878-200 | Scottdale | 05/26/2023 |
| 878-201 | Rochester | 4/17/2013 |
| 878-202 | Sharon | 5/31/2013 |
| 878-203 | Charleroi | 5/21/2015 |
| 878-204 | Sheakleyville | 4/22/2015 |
| 878-205 | Connellsville | 1/8/2016 |
| 878-206 | Fairchance | 3/21/2016 |
| 878-207 | Rochester | N/A |
| 878-208 | Criders Corners | 8/11/2015 |
| 878-209 | Aliquippa | 05/26/2023 |
| 878-210 | Midway | 5/23/2017 |
| 878-212 | Washington | 11/30/2017 |
| 878-213 | Pittsburgh Zone 1 | 12/4/2018 |
| 878-214 | Greensburg | 12/1/2017 |
| 878-215 | Indiana | 05/31/2023 |
| 878-216 | Republic | 8/22/2018 |
| 878-217 | Criders Corners | 12/7/2018 |
| 878-218 | Washington | 2/12/2015 |
| 878-219 | Farmington | 2/19/2019 |
| 878-220 | Export | 1/16/2018 |
| 878-221 | Butler | 12/14/2017 |
| 878-222 | New Wilmington | 7/10/2013 |
| 878-223 | Uniontown | 11/8/2019 |
| 878-224 | Ford City | 1/17/2020 |
| 878-225 | Ellwood City | 12/10/2018 |
| 878-226 | Washington | 1/28/2021 |
| 878-227 | Beaver Falls | 9/14/2020 |
| 878-228 | Uniontown | N/A |
| 878-229 | Washington | 2/5/2020 |
| 878-230 | Pittsburgh Zone 4 | 4/27/2021 |
| 878-231 | Wexford | 6/16/2020 |
| 878-232 | Ellwood City | 1/28/2021 |
| 878-233 | Princeton | 1/28/2021 |
| 878-234 | Pittsburgh Zone 23 | 08/04/2023 |
| 878-235 | Rochester | 2/4/2021 |
| 878-236 | Criders Corners | 4/15/2021 |
| 878-237 | Beaver Falls | 5/26/2021 |
| 878-238 | Ligonier | 2/11/2016 |
| 878-239 | Zelienople | 10/25/2021 |
| 878-240 | Connellsville | 6/10/2021 |
| 878-241 | Smiths Ferry | 7/21/2021 |
| 878-242 | New Castle | 10/11/2021 |
| 878-243 | Washington | 2/5/2021 |
| 878-244 | Slippery Rock | 5/13/2021 |
| 878-245 | Beaver Falls | 12/14/2021 |
| 878-246 | Claysville | 11/5/2021 |
| 878-247 | Belle Vernon | 12/14/2021 |
| 878-248 | Gibsonia | 2/22/2022 |
| 878-249 | Leechburg | 12/15/2021 |
| 878-250 | Criders Corners | 4/14/2022 |
| 878-251 | Black Lick | 7/27/2020 |
| 878-252 | Criders Corners | 4/13/2021 |
| 878-253 | Monessen | 1/8/2022 |
| 878-254 | Pittsburgh Zone 1 | 7/25/2022 |
| 878-255 | Aliquippa | 4/22/2021 |
| 878-256 | Pittsburgh Zone 1 | 5/18/2022 |
| 878-257 | Taylorstown | 12/10/2018 |
| 878-258 | Freeport | 4/1/2014 |
| 878-259 | Export | 10/1/2021 |
| 878-260 | Curtisville | 6/7/2022 |
| 878-261 | Freeport | 8/8/2022 |
| 878-262 | Mars | 9/2/2022 |
| 878-263 | Sharpsville | 11/3/2022 |
| 878-264 | Beaver Falls | 01/05/2023 |
| 878-265 | California | 2/11/2022 |
| 878-266 | Elderton | 6/29/2015 |
| 878-267 | Wexford | 09/01/2023 |
| 878-268 | Imperial | 5/6/2022 |
| 878-269 | Parkwood | 03/08/2023 |
| 878-270 | Criders Corners | 07/23/2024 |
| 878-271 | Butler | 11/7/2014 |
| 878-272 | Springdale | 05/03/2023 |
| 878-273 | Homer City | 05/03/2023 |
| 878-274 | Slippery Rock | 05/08/2023 |
| 878-275 | Avonmore | 09/01/2023 |
| 878-276 | Black Lick | 09/01/2023 |
| 878-277 | Blairsville | 4/22/2021 |
| 878-278 | Darlington | 10/1/2020 |
| 878-279 | Dawson | 09/01/2023 |
| 878-280 | Fayette City | 09/01/2023 |
| 878-281 | Finleyville | 09/12/2023 |
| 878-282 | Republic | 09/12/2023 |
| 878-283 | Uniontown | 09/12/2023 |
| 878-284 | Rochester | 09/12/2023 |
| 878-285 | Mount Pleasant | 3/18/2021 |
| 878-286 | Jeannette | 09/12/2023 |
| 878-287 | Evans City | 09/12/2023 |
| 878-288 | Bolivar | N/A |
| 878-289 | Beaver Falls | 09/25/2023 |
| 878-290 | Pittsburgh Zone 7 | 09/25/2023 |
| 878-291 | Taylorstown | 10/26/2023 |
| 878-292 | Greenville | 12/08/2023 |
| 878-293 | Beaver Falls | 01/12/2024 |
| 878-295 | Greensburg | 4/1/2014 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 878-300 | New Castle | 12/10/2021 |
| 878-301 | Smock | 08/03/2023 |
| 878-302 | New Kensington | 4/17/2013 |
| 878-309 | Greensburg | 9/25/2018 |
| 878-313 | Rochester | 1/9/2015 |
| 878-322 | Donora | 6/9/2021 |
| 878-329 | Smithfield | 08/03/2023 |
| 878-332 | Wexford | 1/28/2014 |
| 878-333 | Ellwood City | 6/26/2015 |
| 878-335 | Lowellville | 2/24/2022 |
| 878-336 | Pittsburgh Zone 6 | 10/25/2021 |
| 878-345 | Pittsburgh Zone 20 | 7/22/2021 |
| 878-348 | Beaver Falls | 5/27/2020 |
| 878-355 | Uniontown | 6/2/2017 |
| 878-356 | West Newton | 8/18/2021 |
| 878-377 | Sharpsville | 5/27/2020 |
| 878-378 | West Newton | 3/24/2016 |
| 878-379 | Waynesburg | 4/26/2017 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 878-600 | Pittsburgh Zone 1 | 3/27/2019 |
| 878-626 | Pittsburgh Zone 7 | 1/10/2022 |
| 878-645 | Greensburg | 1/15/2016 |
| 878-666 | Marion Center | 4/6/2016 |
| 878-668 | Enon Valley | 4/22/2015 |
| 878-670 | Pittsburgh Zone 1 | 5/9/2017 |
| 878-673 | Derry | 2/14/2022 |
| 878-677 | New Wilmington | 5/27/2020 |
| 878-678 | Baden | 3/26/2020 |
| 878-688 | Homer City | 5/27/2020 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 878-707 | Marion Center | 08/01/2023 |
| 878-723 | Pittsburgh Zone 3 | 1/10/2022 |
| 878-728 | Gibsonia | 6/12/2019 |
| 878-732 | Pittsburgh Suburban Zone 19 | 1/20/2022 |
| 878-736 | Marchand | 2/24/2022 |
| 878-744 | Mc Clellandtown | 08/01/2023 |
| 878-768 | Volant | 2/11/2020 |
| 878-777 | Derry | 5/9/2013 |
| 878-778 | Blacktown | 2/7/2020 |
| 878-780 | Clymer | 08/01/2023 |
| 878-782 | Hookstown | 2/24/2022 |
| 878-783 | Avonmore | 3/8/2021 |
| 878-784 | East Palestine | 2/18/2022 |
| 878-786 | Greensburg | 1/10/2022 |
| 878-787 | Pittsburgh Zone 1 | 1/28/2019 |
| 878-788 | Foxburg | 2/7/2020 |
| 878-789 | Petrolia | 2/7/2020 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 878-808 | Fairchance | 08/01/2023 |
| 878-822 | Butler | 9/20/2021 |
| 878-834 | Pittsburgh Zone 8 | 1/10/2022 |
| 878-837 | Bentleyville | 3/18/2019 |
| 878-840 | New Salem | 08/01/2023 |
| 878-844 | Indiana | 4/16/2021 |
| 878-847 | New Kensington | 3/24/2016 |
| 878-867 | New Kensington | 9/14/2022 |
| 878-868 | New Florence | 08/01/2023 |
| 878-870 | Farmington | 3/24/2016 |
| 878-877 | Butler | 1/24/2020 |
| 878-878 | New Bedford | 08/01/2023 |
| 878-879 | New Kensington | 8/19/2019 |
| 878-880 | Washington | 5/14/2020 |
| 878-881 | Brownsville | 7/23/2020 |
| 878-884 | Greensburg | 12/18/2020 |
| 878-887 | Paris | 10/8/2020 |
| 878-888 | Parkwood | 4/25/2013 |
| 878-895 | Uniontown | 11/18/2020 |
| 878-898 | Cooperstown | 11/3/2022 |
- For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
- Assignment date. N/A - mostly central office codes assigned before 2001.
- NXX prefixes last updated: March 1st, 2025
Cities in area code 878
| City1 | County | Time Zone2 |
|---|---|---|
| Acme | Westmoreland | E |
| Adah | Fayette | E |
| Adamsburg | Westmoreland | E |
| Adamsville | Crawford | E |
| Adrian | Armstrong | E |
| Aleppo | Greene | E |
| Aliquippa | Beaver | E |
| Allenport | Washington | E |
| Allison | Fayette | E |
| Allison Park | Allegheny | E |
| Alverton | Westmoreland | E |
| Ambridge | Beaver | E |
| Amity | Washington | E |
| Apollo | Westmoreland | E |
| Ardara | Westmoreland | E |
| Armbrust | Westmoreland | E |
| Arona | Westmoreland | E |
| Atlasburg | Washington | E |
| Aultman | Indiana | E |
| Avella | Washington | E |
| Avonmore | Westmoreland | E |
| Baden | Beaver | E |
| Bairdford | Allegheny | E |
| Bakerstown | Allegheny | E |
| Beallsville | Washington | E |
| Beaver | Beaver | E |
| Beaver Falls | Beaver | E |
| Belle Vernon | Fayette | E |
| Bentleyville | Washington | E |
| Bessemer | Lawrence | E |
| Bethel Park | Allegheny | E |
| Beyer | Indiana | E |
| Black Lick | Indiana | E |
| Blairsville | Indiana | E |
| Bobtown | Greene | E |
| Bolivar | Westmoreland | E |
| Bovard | Westmoreland | E |
| Boyers | Butler | E |
| Brackenridge | Allegheny | E |
| Braddock | Allegheny | E |
| Bradenville | Westmoreland | E |
| Bradfordwoods | Allegheny | E |
| Branchton | Butler | E |
| Brave | Greene | E |
| Bridgeville | Allegheny | E |
| Brier Hill | Fayette | E |
| Brownfield | Fayette | E |
| Brownsville | Fayette | E |
| Bruin | Butler | E |
| Brush Valley | Indiana | E |
| Buena Vista | Allegheny | E |
| Bulger | Washington | E |
| Bunola | Allegheny | E |
| Burgettstown | Washington | E |
| Butler | Butler | E |
| Cabot | Butler | E |
| Cadogan | Armstrong | E |
| California | Washington | E |
| Callery | Butler | E |
| Calumet | Westmoreland | E |
| Canonsburg | Washington | E |
| Cardale | Fayette | E |
| Carmichaels | Greene | E |
| Carnegie | Allegheny | E |
| Cecil | Washington | E |
| Chalk Hill | Fayette | E |
| Chambersville | Indiana | E |
| Charleroi | Washington | E |
| Chestnut Ridge | Fayette | E |
| Cheswick | Allegheny | E |
| Chicora | Butler | E |
| Clairton | Allegheny | E |
| Claridge | Westmoreland | E |
| Clark | Mercer | E |
| Clarks Mills | Mercer | E |
| Clarksburg | Indiana | E |
| Clarksville | Greene | E |
| Claysville | Washington | E |
| Clinton | Beaver | E |
| Clune | Indiana | E |
| Clymer | Indiana | E |
| Coal Center | Washington | E |
| Cokeburg | Washington | E |
| Commodore | Indiana | E |
| Connellsville | Fayette | E |
| Connoquenessing | Butler | E |
| Conway | Beaver | E |
| Coral | Indiana | E |
| Coraopolis | Allegheny | E |
| Coulters | Allegheny | E |
| Cowansville | Armstrong | E |
| Crabtree | Westmoreland | E |
| Cranberry Township | Butler | E |
| Creekside | Indiana | E |
| Creighton | Allegheny | E |
| Crescent | Allegheny | E |
| Crucible | Greene | E |
| Cuddy | Allegheny | E |
| Curtisville | Allegheny | E |
| Daisytown | Washington | E |
| Darlington | Beaver | E |
| Darragh | Westmoreland | E |
| Dawson | Fayette | E |
| Delmont | Westmoreland | E |
| Denbo | Washington | E |
| Derry | Westmoreland | E |
| Dickerson Run | Fayette | E |
| Dilliner | Greene | E |
| Dixonville | Indiana | E |
| Donegal | Westmoreland | E |
| Donora | Washington | E |
| Dravosburg | Allegheny | E |
| Dunbar | Fayette | E |
| Dunlevy | Washington | E |
| Duquesne | Allegheny | E |
| East Brady | Clarion | E |
| East Butler | Butler | E |
| East Mc Keesport | Allegheny | E |
| East Millsboro | Fayette | E |
| East Pittsburgh | Allegheny | E |
| East Vandergrift | Westmoreland | E |
| Eau Claire | Butler | E |
| Edinburg | Lawrence | E |
| Eighty Four | Washington | E |
| Elco | Washington | E |
| Elderton | Armstrong | E |
| Elizabeth | Allegheny | E |
| Ellsworth | Washington | E |
| Ellwood City | Lawrence | E |
| Elrama | Washington | E |
| Emlenton | Venango | E |
| Enon Valley | Lawrence | E |
| Ernest | Indiana | E |
| Evans City | Butler | E |
| Everson | Fayette | E |
| Export | Westmoreland | E |
| Fairbank | Fayette | E |
| Fairchance | Fayette | E |
| Farmington | Fayette | E |
| Farrell | Mercer | E |
| Fayette City | Fayette | E |
| Fenelton | Butler | E |
| Finleyville | Washington | E |
| Fombell | Beaver | E |
| Forbes Road | Westmoreland | E |
| Ford City | Armstrong | E |
| Ford Cliff | Armstrong | E |
| Forestville | Butler | E |
| Foxburg | Clarion | E |
| Fredericktown | Washington | E |
| Fredonia | Mercer | E |
| Freedom | Beaver | E |
| Freeport | Armstrong | E |
| Gans | Fayette | E |
| Garards Fort | Greene | E |
| Gastonville | Washington | E |
| Georgetown | Beaver | E |
| Gibbon Glade | Fayette | E |
| Gibsonia | Allegheny | E |
| Glassport | Allegheny | E |
| Glenshaw | Allegheny | E |
| Grapeville | Westmoreland | E |
| Graysville | Greene | E |
| Greenock | Allegheny | E |
| Greensboro | Greene | E |
| Greensburg | Westmoreland | E |
| Greenville | Mercer | E |
| Grindstone | Fayette | E |
| Grove City | Mercer | E |
| Hadley | Mercer | E |
| Hannastown | Westmoreland | E |
| Harmony | Butler | E |
| Harrison City | Westmoreland | E |
| Harrisville | Butler | E |
| Harwick | Allegheny | E |
| Hendersonville | Washington | E |
| Herman | Butler | E |
| Herminie | Westmoreland | E |
| Hermitage | Mercer | E |
| Hibbs | Fayette | E |
| Hickory | Washington | E |
| Hiller | Fayette | E |
| Hilliards | Butler | E |
| Hillsville | Lawrence | E |
| Holbrook | Greene | E |
| Home | Indiana | E |
| Homer City | Indiana | E |
| Homestead | Allegheny | E |
| Hookstown | Beaver | E |
| Hopwood | Fayette | E |
| Hostetter | Westmoreland | E |
| Houston | Washington | E |
| Hunker | Westmoreland | E |
| Hutchinson | Westmoreland | E |
| Hyde Park | Westmoreland | E |
| Imperial | Allegheny | E |
| Indian Head | Fayette | E |
| Indiana | Indiana | E |
| Indianola | Allegheny | E |
| Industry | Beaver | E |
| Ingomar | Allegheny | E |
| Irwin | Westmoreland | E |
| Isabella | Fayette | E |
| Jackson Center | Mercer | E |
| Jacobs Creek | Westmoreland | E |
| Jamestown | Mercer | E |
| Jeannette | Westmoreland | E |
| Jefferson | Greene | E |
| Jefferson Hills | Allegheny | E |
| Joffre | Washington | E |
| Jones Mills | Westmoreland | E |
| Josephine | Indiana | E |
| Karns City | Butler | E |
| Keisterville | Fayette | E |
| Kent | Indiana | E |
| Kittanning | Armstrong | E |
| Koppel | Beaver | E |
| La Belle | Fayette | E |
| Lake Lynn | Fayette | E |
| Langeloth | Washington | E |
| Larimer | Westmoreland | E |
| Latrobe | Westmoreland | E |
| Laughlintown | Westmoreland | E |
| Lawrence | Washington | E |
| Leckrone | Fayette | E |
| Leechburg | Armstrong | E |
| Leetsdale | Allegheny | E |
| Leisenring | Fayette | E |
| Lemont Furnace | Fayette | E |
| Ligonier | Westmoreland | E |
| Lowber | Westmoreland | E |
| Loyalhanna | Westmoreland | E |
| Lucernemines | Indiana | E |
| Luxor | Westmoreland | E |
| Lyndora | Butler | E |
| Madison | Westmoreland | E |
| Mammoth | Westmoreland | E |
| Manor | Westmoreland | E |
| Manorville | Armstrong | E |
| Marchand | Indiana | E |
| Marianna | Washington | E |
| Marion Center | Indiana | E |
| Markleysburg | Fayette | E |
| Mars | Butler | E |
| Martin | Fayette | E |
| Masontown | Fayette | E |
| Mather | Greene | E |
| Mc Clellandtown | Fayette | E |
| Mc Donald | Washington | E |
| Mc Grann | Armstrong | E |
| Mc Intyre | Indiana | E |
| McKees Rocks | Allegheny | E |
| McKeesport | Allegheny | E |
| Meadow Lands | Washington | E |
| Melcroft | Fayette | E |
| Mercer | Mercer | E |
| Merrittstown | Fayette | E |
| Midland | Beaver | E |
| Midway | Washington | E |
| Mill Run | Fayette | E |
| Millsboro | Washington | E |
| Monaca | Beaver | E |
| Monessen | Westmoreland | E |
| Monongahela | Washington | E |
| Monroeville | Allegheny | E |
| Morgan | Allegheny | E |
| Mount Braddock | Fayette | E |
| Mount Morris | Greene | E |
| Mount Pleasant | Westmoreland | E |
| Murrysville | Westmoreland | E |
| Muse | Washington | E |
| Natrona Heights | Allegheny | E |
| Nemacolin | Greene | E |
| New Alexandria | Westmoreland | E |
| New Bedford | Lawrence | E |
| New Brighton | Beaver | E |
| New Castle | Lawrence | E |
| New Derry | Westmoreland | E |
| New Eagle | Washington | E |
| New Florence | Westmoreland | E |
| New Freeport | Greene | E |
| New Galilee | Beaver | E |
| New Geneva | Fayette | E |
| New Kensington | Westmoreland | E |
| New Salem | Fayette | E |
| New Stanton | Westmoreland | E |
| New Wilmington | Lawrence | E |
| Newell | Fayette | E |
| Nineveh | Greene | E |
| Normalville | Fayette | E |
| North Apollo | Armstrong | E |
| North Versailles | Allegheny | E |
| North Washington | Butler | E |
| Norvelt | Westmoreland | E |
| Nu Mine | Armstrong | E |
| Oakdale | Allegheny | E |
| Oakmont | Allegheny | E |
| Ohiopyle | Fayette | E |
| Oliver | Fayette | E |
| Parker | Armstrong | E |
| Penn | Westmoreland | E |
| Penn Run | Indiana | E |
| Perryopolis | Fayette | E |
| Petrolia | Butler | E |
| Pitcairn | Allegheny | E |
| Pittsburgh | Allegheny | E |
| Pleasant Unity | Westmoreland | E |
| Plumville | Indiana | E |
| Point Marion | Fayette | E |
| Portersville | Butler | E |
| Presto | Allegheny | E |
| Pricedale | Westmoreland | E |
| Prospect | Butler | E |
| Prosperity | Washington | E |
| Pulaski | Lawrence | E |
| Rector | Westmoreland | E |
| Renfrew | Butler | E |
| Republic | Fayette | E |
| Rices Landing | Greene | E |
| Richeyville | Washington | E |
| Rillton | Westmoreland | E |
| Robinson | Indiana | E |
| Rochester | Beaver | E |
| Rochester Mills | Indiana | E |
| Rogersville | Greene | E |
| Ronco | Fayette | E |
| Roscoe | Washington | E |
| Ruffs Dale | Westmoreland | E |
| Rural Ridge | Allegheny | E |
| Rural Valley | Armstrong | E |
| Russellton | Allegheny | E |
| Sagamore | Armstrong | E |
| Saxonburg | Butler | E |
| Sewickley | Allegheny | E |
| South Park | Allegheny | E |
| St Petersburg | Clarion | E |
| Swissvale | Allegheny | E |
| Trafford | Westmoreland | E |
| Turtle Creek | Allegheny | E |
| Verona | Allegheny | E |
| West Elizabeth | Allegheny | E |
| West Mifflin | Allegheny | E |
| Wildwood | Allegheny | E |
| Wilmerding | Allegheny | E |
- Listed above are most places served by USA area code 878. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
- E stands for Eastern Time (currently ).