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878 Area CodePittsburgh, PA

Area code 878 covers Pittsburgh and nearby communities in Pennsylvania, in the Eastern Time (ET) zone, home to about 2,677,445 people across 450 cities. It was added in 2001 as an overlay of 412, so the same region uses several codes and every local call needs all ten digits.

Overview

Major City
Pittsburgh
State
Pennsylvania (PA)
Timezone
Eastern Time (ET)
Current Time
–:––
Overlay
Yes – shares area with 412, 724

Nearby Area Codes

Where is area code 878?

Area code 878 serves part of Pittsburgh, PA and the surrounding areas. It has overlays (412, 724) that serve the same area.

Overview of the 878 Area Code

What is the 878 area code?

The 878 area code serves Pittsburgh, Pennsylvania, alongside other established area codes. When you see a 878 number, it indicates a local number within this geographic area.

Why was area code 878 created?

Area code 878 went into service on August 17, 2001, as an overlay of 412. An overlay adds a second code to the same territory instead of splitting it: existing 412 numbers kept their digits, new lines began receiving 878 numbers, and local calls in the region require all ten digits. The same territory also carries 724.

Geographic Coverage of the 878 Area Code

The 878 area code serves Pittsburgh and surrounding areas in Pennsylvania. It operates within the Eastern Time (ET) time zone. It complements the coverage of area codes 412 and 724. This area code covers several key cities, including:

  • Pittsburgh
  • Bethel Park
  • Monroeville
  • Plum
  • Allison Park
  • New Castle

Got a call from an 878 number? It came from Pittsburgh, PA. Since 878 overlays with 412 and 724, every local call in the region needs all ten digits to land on the right line. Of the listed cities' population, Pittsburgh accounts for about 20.4%; the rest is split across 449 smaller cities.

Pittsburgh Area Codes Overview

Pittsburgh is served by multiple area codes, reflecting its telecommunications needs. The 878 area code operates alongside 412, 724. Here are the area codes serving this region:

The introduction of the 878 area code helped prevent number exhaustion, ensuring a continuous supply of phone numbers across the geographic area.

What cities does area code 878 cover?

CityStatePopulationPopulation in 878% of listed-city population% of City
PittsburghPA307,668307,66820.4%100.0%
Bethel ParkPA32,37632,3762.2%100.0%
MonroevillePA27,96627,9661.9%100.0%
PlumPA26,42026,4201.8%100.0%
Allison ParkPA21,55221,5521.4%100.0%
New CastlePA21,33221,3321.4%100.0%
MurrysvillePA20,72920,7291.4%100.0%
BaldwinPA20,71220,7121.4%100.0%
Upper St. ClairPA19,22919,2291.3%100.0%
West MifflinPA18,90218,9021.3%100.0%
McKeesportPA17,11917,1191.1%100.0%
HermitagePA15,83915,8391.1%100.0%
Franklin ParkPA15,07915,0791.0%100.0%
WhitehallPA14,67814,6781.0%100.0%
GreensburgPA14,58614,5861.0%100.0%
IndianaPA14,29414,2941.0%100.0%
WilkinsburgPA13,80013,8000.9%100.0%
South Park TownshipPA13,41613,4160.9%100.0%
WashingtonPA13,33413,3340.9%100.0%
ButlerPA13,01013,0100.9%100.0%
SharonPA12,74412,7440.9%100.0%
FernwayPA12,41412,4140.8%100.0%
Jefferson HillsPA12,29112,2910.8%100.0%
New KensingtonPA11,87711,8770.8%100.0%
Lower BurrellPA11,54211,5420.8%100.0%
Carnot-MoonPA11,37211,3720.8%100.0%
MunhallPA10,37110,3710.7%100.0%
MorrisvillePA9,7459,7450.7%100.0%
BrentwoodPA9,7049,7040.6%100.0%
CanonsburgPA9,6019,6010.6%100.0%
UniontownPA9,5549,5540.6%100.0%
AliquippaPA9,0039,0030.6%100.0%
EconomyPA8,9908,9900.6%100.0%
GlenshawPA8,9818,9810.6%100.0%
Beaver FallsPA8,7578,7570.6%100.0%
JeannettePA8,5668,5660.6%100.0%
Pleasant HillsPA8,3188,3180.6%100.0%
SwissvalePA8,2808,2800.6%100.0%
Castle ShannonPA8,0948,0940.5%100.0%
BellevuePA7,9967,9960.5%100.0%
DormontPA7,9227,9220.5%100.0%
LatrobePA7,9067,9060.5%100.0%
CarnegiePA7,8557,8550.5%100.0%
Grove CityPA7,7497,7490.5%100.0%
Ellwood CityPA7,4167,4160.5%100.0%
White OakPA7,3527,3520.5%100.0%
Homeacre-LyndoraPA6,9066,9060.5%100.0%
AmbridgePA6,8866,8860.5%100.0%
MonessenPA6,7046,7040.4%100.0%
ConnellsvillePA6,6826,6820.4%100.0%
OakmontPA6,6286,6280.4%100.0%
West ViewPA6,4266,4260.4%100.0%
Forest HillsPA6,1866,1860.4%100.0%
ClairtonPA5,9455,9450.4%100.0%
CraftonPA5,8635,8630.4%100.0%
McKees RocksPA5,6945,6940.4%100.0%
New BrightonPA5,5175,5170.4%100.0%
MonacaPA5,4665,4660.4%100.0%
GreenvillePA5,4595,4590.4%100.0%
CoraopolisPA5,3405,3400.4%100.0%
Fox ChapelPA5,1855,1850.3%100.0%
DuquesnePA5,0745,0740.3%100.0%
Shanor-NorthvuePA5,0515,0510.3%100.0%
VandergriftPA4,9554,9550.3%100.0%
Turtle CreekPA4,9254,9250.3%100.0%
Green TreePA4,7514,7510.3%100.0%
ArnoldPA4,6574,6570.3%100.0%
McMurrayPA4,6474,6470.3%100.0%
CaliforniaPA4,6284,6280.3%100.0%
BridgevillePA4,6204,6200.3%100.0%
AvalonPA4,5944,5940.3%100.0%
DonoraPA4,4824,4820.3%100.0%
BeaverPA4,3364,3360.3%100.0%
ScottdalePA4,3294,3290.3%100.0%
GlassportPA4,2984,2980.3%100.0%
TarentumPA4,1834,1830.3%100.0%
CharleroiPA4,1594,1590.3%100.0%
Mount PleasantPA4,1504,1500.3%100.0%
North BraddockPA4,1494,1490.3%100.0%
FarrellPA4,1424,1420.3%100.0%
SharpsvillePA4,1274,1270.3%100.0%
MonongahelaPA4,0724,0720.3%100.0%
Level GreenPA4,0204,0200.3%100.0%
KittanningPA3,9203,9200.3%100.0%
MeridianPA3,8813,8810.3%100.0%
BadenPA3,8133,8130.3%100.0%
IrwinPA3,7983,7980.3%100.0%
SewickleyPA3,7703,7700.3%100.0%
ZelienoplePA3,7693,7690.3%100.0%
WaynesburgPA3,7013,7010.3%100.0%
Port VuePA3,5623,5620.2%100.0%
Slippery RockPA3,5583,5580.2%100.0%
ThompsonvillePA3,5203,5200.2%100.0%
ManorPA3,5103,5100.2%100.0%
LoyalhannaPA3,4283,4280.2%100.0%
RochesterPA3,3823,3820.2%100.0%
OhiovillePA3,3093,3090.2%100.0%
EtnaPA3,3043,3040.2%100.0%
Fox RunPA3,2823,2820.2%100.0%
SpringdalePA3,2723,2720.2%100.0%
Mount OliverPA3,2593,2590.2%100.0%
IngramPA3,2563,2560.2%100.0%
MillvalePA3,2553,2550.2%100.0%
TraffordPA3,2363,2360.2%100.0%
CentervillePA3,2143,2140.2%100.0%
BlairsvillePA3,2113,2110.2%100.0%
MasontownPA3,1533,1530.2%100.0%
BrackenridgePA3,1253,1250.2%100.0%
SharpsburgPA3,0633,0630.2%100.0%
ChurchillPA3,0353,0350.2%100.0%
EdgewoodPA3,0323,0320.2%100.0%
PitcairnPA2,9842,9840.2%100.0%
YoungwoodPA2,9062,9060.2%100.0%
WolfdalePA2,8882,8880.2%100.0%
Seven FieldsPA2,8612,8610.2%100.0%
HomesteadPA2,8522,8520.2%100.0%
GastonvillePA2,8182,8180.2%100.0%
AspinwallPA2,8032,8030.2%100.0%
Ford CityPA2,7632,7630.2%100.0%
McGovernPA2,7422,7420.2%100.0%
GibsoniaPA2,7332,7330.2%100.0%
MeadowoodPA2,6932,6930.2%100.0%
DelmontPA2,6212,6210.2%100.0%
West NewtonPA2,5982,5980.2%100.0%
DerryPA2,5832,5830.2%100.0%
Leith-HatfieldPA2,5462,5460.2%100.0%
ImperialPA2,5412,5410.2%100.0%
OliverPA2,5352,5350.2%100.0%
MusePA2,5042,5040.2%100.0%
Cecil-BishopPA2,4762,4760.2%100.0%
EmsworthPA2,4262,4260.2%100.0%
East UniontownPA2,4192,4190.2%100.0%
VeronaPA2,4032,4030.2%100.0%
MidlandPA2,3662,3660.2%100.0%
BentleyvillePA2,3352,3350.2%100.0%
Oak HillsPA2,3332,3330.2%100.0%
New StantonPA2,3112,3110.2%100.0%
OakwoodPA2,2702,2700.2%100.0%
Pymatuning CentralPA2,2692,2690.2%100.0%
GreenockPA2,1952,1950.2%100.0%
Lawson HeightsPA2,1942,1940.2%100.0%
Southwest GreensburgPA2,1662,1660.1%100.0%
ConwayPA2,1302,1300.1%100.0%
South GreensburgPA2,1042,1040.1%100.0%
BrownsvillePA2,0992,0990.1%100.0%
HopwoodPA2,0902,0900.1%100.0%
New WilmingtonPA2,0892,0890.1%100.0%
LeechburgPA2,0752,0750.1%100.0%
Reynolds HeightsPA2,0612,0610.1%100.0%
FairdalePA2,0592,0590.1%100.0%
Lynnwood-PricedalePA2,0312,0310.1%100.0%
New EaglePA2,0182,0180.1%100.0%
McDonaldPA2,0132,0130.1%100.0%
East McKeesportPA1,9911,9910.1%100.0%
Orchard HillsPA1,9521,9520.1%100.0%
MercerPA1,9221,9220.1%100.0%
RankinPA1,9101,9100.1%100.0%
Slippery Rock UniversityPA1,8981,8980.1%100.0%
East PittsburghPA1,8551,8550.1%100.0%
South ConnellsvillePA1,8431,8430.1%100.0%
Ben AvonPA1,8411,8410.1%100.0%
Big BeaverPA1,8321,8320.1%100.0%
North Belle VernonPA1,8291,8290.1%100.0%
East WashingtonPA1,8211,8210.1%100.0%
FairchancePA1,8161,8160.1%100.0%
West HomesteadPA1,8041,8040.1%100.0%
IndustryPA1,7851,7850.1%100.0%
BakerstownPA1,7611,7610.1%100.0%
Wickerham Manor-FisherPA1,7281,7280.1%100.0%
Homer CityPA1,7251,7250.1%100.0%
WilmerdingPA1,7191,7190.1%100.0%
SturgeonPA1,7101,7100.1%100.0%
Evans CityPA1,6861,6860.1%100.0%
FreeportPA1,6771,6770.1%100.0%
BraddockPA1,6691,6690.1%100.0%
Braddock HillsPA1,6671,6670.1%100.0%
EdgeworthPA1,6311,6310.1%100.0%
PerryopolisPA1,6211,6210.1%100.0%
CheswickPA1,6111,6110.1%100.0%
BaidlandPA1,5631,5630.1%100.0%
DravosburgPA1,5521,5520.1%100.0%
ApolloPA1,5511,5510.1%100.0%
Chevy Chase HeightsPA1,5021,5020.1%100.0%
LigonierPA1,4781,4780.1%100.0%
Bell AcresPA1,4681,4680.1%100.0%
Black LickPA1,4621,4620.1%100.0%
FreedomPA1,4571,4570.1%100.0%
RusselltonPA1,4401,4400.1%100.0%
OakdalePA1,4271,4270.1%100.0%
VersaillesPA1,4241,4240.1%100.0%
MarsPA1,4151,4150.1%100.0%
New Castle NorthwestPA1,4131,4130.1%100.0%
BurgettstownPA1,4011,4010.1%100.0%
BlawnoxPA1,4001,4000.1%100.0%
SaxonburgPA1,3781,3780.1%100.0%
NixonPA1,3731,3730.1%100.0%
South UniontownPA1,3601,3600.1%100.0%
ElizabethPA1,3571,3570.1%100.0%
St. Vincent CollegePA1,3571,3570.1%100.0%
New BeaverPA1,3421,3420.1%100.0%
ClymerPA1,3171,3170.1%100.0%
North CharleroiPA1,2791,2790.1%100.0%
West HillsPA1,2631,2630.1%100.0%
West LeechburgPA1,2441,2440.1%100.0%
CalumetPA1,2411,2410.1%100.0%
HeidelbergPA1,2401,2400.1%100.0%
North ApolloPA1,2151,2150.1%100.0%
FellsburgPA1,1801,1800.1%100.0%
Lenape HeightsPA1,1671,1670.1%100.0%
West MayfieldPA1,1651,1650.1%100.0%
HillerPA1,1551,1550.1%100.0%
West KittanningPA1,1531,1530.1%100.0%
FairhopePA1,1511,1510.1%100.0%
HoustonPA1,1511,1510.1%100.0%
RennerdalePA1,1501,1500.1%100.0%
Bradford WoodsPA1,1411,1410.1%100.0%
WhitakerPA1,1351,1350.1%100.0%
CollinsburgPA1,1251,1250.1%100.0%
LeetsdalePA1,1191,1190.1%100.0%
Point MarionPA1,1121,1120.1%100.0%
RepublicPA1,0961,0960.1%100.0%
EllportPA1,0871,0870.1%100.0%
ProspectPA1,0821,0820.1%100.0%
CurtisvillePA1,0641,0640.1%100.0%
SpeersPA1,0611,0610.1%100.0%
Bear RocksPA1,0481,0480.1%100.0%
BessemerPA1,0431,0430.1%100.0%
EnlowPA1,0131,0130.1%100.0%
Lake LatonkaPA1,0121,0120.1%100.0%
Belle VernonPA9889880.1%100.0%
DunbarPA9779770.1%100.0%
West BrownsvillePA9679670.1%100.0%
NorveltPA9489480.1%100.0%
Lucerne MinesPA9379370.1%100.0%
NemacolinPA9379370.1%100.0%
New BedfordPA9259250.1%100.0%
StoneboroPA9239230.1%100.0%
HarmonyPA9189180.1%100.0%
MidwayPA9149140.1%100.0%
EllsworthPA9029020.1%100.0%
HarwickPA8998990.1%100.0%
LincolnPA8958950.1%100.0%
ChicoraPA8868860.1%100.0%
AvonmorePA8838830.1%100.0%
ExportPA8798790.1%100.0%
New SalemPA8328320.1%100.0%
Lemont FurnacePA8278270.1%100.0%
Sewickley HeightsPA8248240.1%100.0%
MeadowlandsPA8228220.1%100.0%
North IrwinPA8138130.1%100.0%
West PittsburgPA8088080.1%100.0%
AvellaPA8048040.1%100.0%
East BradyPA8048040.1%100.0%
Rural ValleyPA8018010.1%100.0%
SmithfieldPA7987980.1%100.0%
West MiddlesexPA7947940.1%100.0%
HarrisvillePA7927920.1%100.0%
HerminiePA7897890.1%100.0%
ConnoquenessingPA7867860.1%100.0%
Pleasant ViewPA7807800.1%100.0%
OklahomaPA7697690.1%100.0%
SaltsburgPA7687680.1%100.0%
FarmingtonPA7677670.1%100.0%
BobtownPA7577570.1%100.0%
EversonPA7427420.1%100.0%
HickoryPA7407400.1%100.0%
HostetterPA7407400.1%100.0%
DeemstonPA7407400.1%100.0%
Mount MorrisPA7377370.1%100.0%
MatherPA7377370.1%100.0%
East ButlerPA7367360.1%100.0%
BridgewaterPA7347340.1%100.0%
ParisPA7327320.1%100.0%
CruciblePA7257250.1%100.0%
ChalfantPA7187180.1%100.0%
ClaysvillePA7187180.1%100.0%
LangelothPA7177170.1%100.0%
HeilwoodPA71100.1%0.0%
RoscoePA7037030.1%100.0%
BairdfordPA6986980.1%100.0%
Dry TavernPA6976970.1%100.0%
KoppelPA6946940.1%100.0%
Sewickley HillsPA6876870.1%100.0%
ValenciaPA6846840.1%100.0%
Deer LakePA6796790.1%100.0%
ParkerPA6786780.0%100.0%
YukonPA6776770.0%100.0%
MillsboroPA6666660.0%100.0%
Eighty FourPA6576570.0%100.0%
New FlorencePA6556550.0%100.0%
JeffersonPA6556550.0%100.0%
Pennsbury VillagePA6506500.0%100.0%
JacksonvillePA6376370.0%100.0%
South New CastlePA6366360.0%100.0%
Sandy LakePA6306300.0%100.0%
AllisonPA6256250.0%100.0%
Patterson HeightsPA6206200.0%100.0%
PennPA6176170.0%100.0%
Star JunctionPA6166160.0%100.0%
RobinsonPA6146140.0%100.0%
CokeburgPA6096090.0%100.0%
West AlexanderPA6046040.0%100.0%
FrizzleburgPA6026020.0%100.0%
EmlentonPA6006000.0%100.0%
Lake Arthur EstatesPA5945940.0%100.0%
SmockPA5835830.0%100.0%
East VandergriftPA5805800.0%100.0%
NoblestownPA5755750.0%100.0%
WorthingtonPA5725720.0%100.0%
Glen OsbornePA5685680.0%100.0%
MillwoodPA5665660.0%100.0%
WheatlandPA5665660.0%100.0%
JamestownPA5645640.0%100.0%
Rowes RunPA5645640.0%100.0%
ClarkPA5595590.0%100.0%
SlovanPA5555550.0%100.0%
OaklandPA5505500.0%100.0%
SutersvillePA5495490.0%100.0%
East RochesterPA5485480.0%100.0%
BradenvillePA5455450.0%100.0%
BostonPA5455450.0%100.0%
WampumPA5425420.0%100.0%
LawrencePA5405400.0%100.0%
GrapevillePA5385380.0%100.0%
JoffrePA5365360.0%100.0%
MammothPA5255250.0%100.0%
GrindstonePA4984980.0%100.0%
Arnold CityPA4984980.0%100.0%
Hyde ParkPA4974970.0%100.0%
WallPA4954950.0%100.0%
NewellPA4954950.0%100.0%
ChewtonPA4884880.0%100.0%
Fayette CityPA4854850.0%100.0%
New AlexandriaPA4844840.0%100.0%
WyanoPA4844840.0%100.0%
Pymatuning SouthPA4794790.0%100.0%
AllenportPA4744740.0%100.0%
DicksonvillePA4674670.0%100.0%
ThornburgPA4494490.0%100.0%
North VandergriftPA4474470.0%100.0%
West WaynesburgPA4464460.0%100.0%
ClintonPA4344340.0%100.0%
BolivarPA4254250.0%100.0%
Rosslyn FarmsPA4254250.0%100.0%
FredoniaPA4214210.0%100.0%
ErnestPA4204200.0%100.0%
StockdalePA4164160.0%100.0%
Long BranchPA4134130.0%100.0%
BulgerPA4074070.0%100.0%
Marion CenterPA4054050.0%100.0%
FredericktownPA4034030.0%100.0%
BruinPA4024020.0%100.0%
CarmichaelsPA4014010.0%100.0%
AtlasburgPA4014010.0%100.0%
VanderbiltPA3973970.0%100.0%
Rices LandingPA3953950.0%100.0%
WylandvillePA3913910.0%100.0%
SlickvillePA3883880.0%100.0%
MariannaPA3883880.0%100.0%
West ElizabethPA3873870.0%100.0%
BeallsvillePA3863860.0%100.0%
Ben Avon HeightsPA3843840.0%100.0%
South HeightsPA3743740.0%100.0%
FinleyvillePA3683680.0%100.0%
ManorvillePA3673670.0%100.0%
DunlevyPA3663660.0%100.0%
MadisonPA3553550.0%100.0%
Ford CliffPA3493490.0%100.0%
CalleryPA3463460.0%100.0%
DawsonPA3383380.0%100.0%
SmithtonPA3363360.0%100.0%
CommodorePA3313310.0%100.0%
St. PetersburgPA3303300.0%100.0%
CoralPA3253250.0%100.0%
TempletonPA3253250.0%100.0%
HendersonvillePA3253250.0%100.0%
ApplewoldPA3253250.0%100.0%
West LibertyPA3233230.0%100.0%
New GalileePA3213210.0%100.0%
EldertonPA3203200.0%100.0%
ElramaPA3073070.0%100.0%
HunkerPA3023020.0%100.0%
Enon ValleyPA2952950.0%100.0%
Eau ClairePA2952950.0%100.0%
EdenbornPA2942940.0%100.0%
BuffingtonPA2922920.0%100.0%
CreeksidePA2852850.0%100.0%
CrabtreePA2772770.0%100.0%
SouthviewPA2762760.0%100.0%
UnionvillePA2622620.0%100.0%
AaronsburgPA2592590.0%100.0%
ElcoPA2572570.0%100.0%
GracetonPA2572570.0%100.0%
RoncoPA2562560.0%100.0%
WebsterPA2552550.0%100.0%
PlumvillePA2522520.0%100.0%
GreensboroPA2512510.0%100.0%
RogersvillePA2492490.0%100.0%
FallstonPA2492490.0%100.0%
AronaPA2472470.0%100.0%
DarlingtonPA2462460.0%100.0%
YoungstownPA2442440.0%100.0%
MarkleysburgPA2382380.0%100.0%
LibertyPA2292290.0%100.0%
PortersvillePA2252250.0%100.0%
TwilightPA2212210.0%100.0%
TaylorstownPA2172170.0%100.0%
Wind RidgePA2152150.0%100.0%
GeorgetownPA2032030.0%100.0%
BravePA2012010.0%100.0%
GlenfieldPA2002000.0%100.0%
New LebanonPA1881880.0%100.0%
FairviewPA1871870.0%100.0%
Jackson CenterPA1861860.0%100.0%
ClarksvillePA1851850.0%100.0%
FoxburgPA1801800.0%100.0%
West SunburyPA1761760.0%100.0%
EastvalePA1751750.0%100.0%
PetroliaPA1731730.0%100.0%
WestlandPA1671670.0%100.0%
Karns CityPA1661660.0%100.0%
Van VoorhisPA1661660.0%100.0%
ShippingportPA1521520.0%100.0%
SheakleyvillePA1461460.0%100.0%
Laurel MountainPA1431430.0%100.0%
AdamsburgPA1431430.0%100.0%
CallensburgPA14100.0%0.0%
ChalkhillPA1411410.0%100.0%
Cross CreekPA1371370.0%100.0%
KiskimerePA1361360.0%100.0%
Harrison CityPA1341340.0%100.0%
MapletownPA1301300.0%100.0%
HookstownPA1271270.0%100.0%
VolantPA1221220.0%100.0%
New FreeportPA1121120.0%100.0%
Frankfort SpringsPA1121120.0%100.0%
West MiddletownPA1081080.0%100.0%
Coal CenterPA1071070.0%100.0%
AtwoodPA1061060.0%100.0%
DonegalPA1011010.0%100.0%
SheloctaPA99990.0%100.0%
HomewoodPA89890.0%100.0%
HaysvillePA79790.0%100.0%
GlasgowPA70700.0%100.0%
NaomiPA69690.0%100.0%
Cherry ValleyPA57570.0%100.0%
OhiopylePA36360.0%100.0%
Seven SpringsPA2400.0%0.0%
Green HillsPA19190.0%100.0%
S.N.P.J.PA15150.0%100.0%

City population is shown in full. The share of each city inside 878 is measured from Census tract centroids, not estimated from a rate-center match – so a city split between two codes appears on both, at the fraction each one actually holds. The “% of listed-city population” column uses the full populations of the cities listed here.

What counties does area code 878 cover?

2,677,445 residents across 14 counties, counted inside the 878 boundary — a county split between codes contributes only its part.

CountyStatePopulation in 878% of area-code footprint% of County
Allegheny CountyPA1,250,57847%100%
Westmoreland CountyPA354,66313%100%
Washington CountyPA209,3498%100%
Butler CountyPA193,7637%100%
Beaver CountyPA168,2156%100%
Fayette CountyPA128,8045%100%
Mercer CountyPA108,4534%98%
Lawrence CountyPA86,0703%100%
Indiana CountyPA71,7823%86%
Armstrong CountyPA60,8462%93%
Greene CountyPA35,9541%100%
Crawford CountyPA3,5360%4%
Venango CountyPA3,3800%7%
Clarion CountyPA2,0520%6%

Sources: City populations – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). State populations – the same program, Vintage 2025 (CO-EST2025-ALLDATA). Area-code footprint and county populations – 2020 Census Centers of Population, mapped against NANP area code boundaries. The share of each city inside a code is measured the same way, against Census place boundaries from the Census Bureau's TIGERweb service. Area code assignments – NANPA CO Code data. See our data methodology.

Has area code 878 been reported for unwanted calls?

Yes – 281 unwanted-call complaints were reported to the FTC for numbers showing a 878 area code (May 29 – Aug 14, 2026).

  • 65% robocalls
  • 20% vs prior period

Most-reported subjects

  • Other44%123
  • Reducing your debt (credit cards, mortgage, student loans)23%65
  • Calls pretending to be government, businesses, or family and friends10%29

Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints. Source: FTC Do Not Call (DNC) Reported Calls Data, retrieved 2026-08-17.

Which prefixes and exchanges belong to area code 878?

14% assigned to a telco

  • 92% Landline
  • 8% Wireless
  • 0% Unknown
PrefixUsageCarrier
(878)201-LandlinePeerless Network Of Pennsylvania
(878)202-LandlineTime Warner Cable Information Svcs (Pa), Pa
(878)203-LandlineCenturylink Communications
(878)204-LandlineWindstream Pennsylvania
(878)205-LandlineOnvoy
(878)206-LandlineOnvoy
(878)207-LandlineComcast Ip Phone
(878)208-LandlineMcimetro Access Transmission Services
(878)210-LandlineWindstream Pennsylvania
(878)212-WirelessVerizon Wireless
(878)213-LandlineBandwidth.Com Clec
(878)214-LandlineIdt America
(878)216-LandlineOnvoy
(878)217-LandlineLevel 3 Communications
(878)218-WirelessVerizon Wireless
(878)219-LandlineComcast Ip Phone
(878)220-LandlineMcimetro Access Transmission Services
(878)221-LandlineAerial Communications
(878)222-LandlineVoxbeam Telecommunications
(878)223-WirelessCsc Wireless
(878)224-WirelessNew Cingular Wireless Pcs
(878)225-LandlineLumos Networks Of West Virginia
(878)226-LandlineOnvoy
(878)227-LandlineAerial Communications
(878)228-LandlineCenturylink Communications
(878)229-WirelessVerizon Wireless
(878)230-LandlineHd Carrier
(878)231-LandlineConsolidated Communications Of Pennsylvania Co
(878)232-LandlineOnvoy
(878)233-LandlineBandwidth.Com Clec
(878)235-LandlineTelnyx
(878)236-LandlineAerial Communications
(878)237-LandlineStratus Networks
(878)238-LandlineLaurel Highland Telephone
(878)239-LandlineComcast Ip Phone
(878)240-LandlineVonage America
(878)241-LandlineBandwidth.Com Clec
(878)242-LandlineBandwidth.Com Clec
(878)243-LandlineTelnyx
(878)244-LandlineMetropcs
(878)245-LandlineAerial Communications
(878)246-LandlineComcast Ip Phone
(878)247-LandlineAerial Communications
(878)248-LandlineUs Lec Of Pennsylvania
(878)249-LandlineAerial Communications
(878)250-WirelessNew Cingular Wireless Pcs
(878)251-LandlineOnvoy
(878)252-LandlineTon80 Communications
(878)253-LandlineTon80 Communications
(878)254-LandlineMcimetro Access Transmission Services
(878)255-LandlineOnvoy Spectrum
(878)256-LandlineTeleport Communications America
(878)257-LandlineLumos Networks Of West Virginia
(878)258-LandlineSalsgiver Telecom
(878)259-LandlineCommio
(878)260-LandlineComcast Ip Phone
(878)261-LandlineLevel 3 Communications
(878)262-LandlineOnvoy
(878)263-WirelessNew Cingular Wireless Pcs
(878)264-LandlineAerial Communications
(878)265-LandlineBandwidth.Com Clec
(878)266-LandlineWindstream Pennsylvania
(878)268-LandlineTeleport Communications America
(878)269-LandlineTeleport Communications America
(878)270-LandlineTeleport Communications America
(878)271-LandlineCenturylink Communications
(878)277-LandlineOnvoy
(878)278-LandlineOnvoy
(878)285-LandlineStratus Networks
(878)288-LandlineTon80 Communications
(878)295-LandlineAerial Communications
(878)300-WirelessDish Wireless
(878)302-LandlinePeerless Network Of Pennsylvania
(878)309-LandlineBandwidth.Com Clec
(878)313-WirelessVerizon Wireless
(878)322-LandlineTon80 Communications
(878)332-LandlineLevel 3 Communications
(878)333-LandlineVoxbeam Telecommunications
(878)335-LandlineTon80 Communications
(878)336-LandlineFractel
(878)345-LandlineFractel
(878)348-LandlineFractel
(878)355-LandlineAerial Communications
(878)356-LandlineFractel
(878)377-LandlineFractel
(878)378-LandlineOnvoy
(878)379-WirelessVerizon Wireless
(878)400-LandlineVoxbeam Telecommunications
(878)422-LandlineSalsgiver Telecom
(878)425-LandlineArmstrong Telecommunications
(878)433-LandlineTon80 Communications
(878)439-LandlineMcimetro Access Transmission Services
(878)444-LandlineVoxbeam Telecommunications
(878)465-LandlineFractel
(878)477-LandlineOnvoy
(878)500-LandlineFractel
(878)529-LandlineFractel
(878)553-LandlineMcimetro Access Transmission Services
(878)598-LandlineTon80 Communications
(878)599-LandlineTon80 Communications
(878)600-LandlineTerra Nova Telecom
(878)626-LandlineTon80 Communications
(878)645-WirelessVerizon Wireless
(878)666-LandlineVoxbeam Telecommunications
(878)668-LandlineWindstream Pennsylvania
(878)670-LandlineCommio
(878)673-LandlineTon80 Communications
(878)677-LandlineFractel
(878)678-LandlineCore Communications
(878)688-LandlineFractel
(878)723-LandlineTon80 Communications
(878)728-LandlineOnvoy
(878)732-LandlineTon80 Communications
(878)736-LandlineTon80 Communications
(878)768-LandlineOnvoy
(878)777-LandlineVoxbeam Telecommunications
(878)778-LandlineOnvoy
(878)782-LandlineTon80 Communications
(878)783-LandlineTon80 Communications
(878)784-LandlineTon80 Communications
(878)786-LandlineTon80 Communications
(878)787-LandlineFractel
(878)788-LandlineOnvoy
(878)789-LandlineOnvoy
(878)822-LandlineSkyetel
(878)834-LandlineTon80 Communications
(878)837-LandlineCore Communications
(878)844-LandlineTon80 Communications
(878)847-LandlineOnvoy
(878)867-LandlineCommio
(878)870-LandlineOnvoy
(878)877-LandlineOnvoy
(878)879-LandlineOnvoy
(878)880-LandlineOnvoy
(878)881-LandlineOnvoy
(878)884-LandlineOnvoy
(878)887-LandlineOnvoy
(878)888-LandlineVoxbeam Telecommunications
(878)895-LandlineTwilio International
(878)898-LandlineOnvoy
(878)900-LandlineVoxbeam Telecommunications
(878)978-LandlineOnvoy
(878)999-LandlineOnvoy

Frequently Asked Questions about the 878 Area Code

Who called me from a 878 number?

A 878 number is assigned to Pittsburgh, Pennsylvania, so a call may come from there. But caller ID is easy to fake, and scammers often spoof a local 878 code to look nearby, so a 878 number doesn't prove the caller is local. Recently, 281 unwanted-call complaints were reported to the FTC for numbers showing the 878 code (65% flagged as robocalls). If you don't recognize the number, let it go to voicemail; a real caller will leave a message.

Is 878 a scam area code?

No area code is a scam on its own. 878 is a normal, officially assigned code for Pittsburgh, Pennsylvania. Spam callers spoof local codes to raise the odds you answer, so 878 on your caller ID says nothing about who is really calling. Recently, 281 unwanted-call complaints were reported to the FTC for numbers showing the 878 code (65% flagged as robocalls). Judge the call itself, not the area code.

Why do I keep getting calls from the 878 area code?

Repeated calls from different 878 numbers are usually spoofing: a robocaller rotates through 878 numbers so each call looks local and slips past simple blocks. Recently, 281 unwanted-call complaints were reported to the FTC for numbers showing the 878 code (65% flagged as robocalls). Blocking one number rarely helps; voicemail screening, your carrier spam filter, and the Do Not Call Registry work better.

Should I answer an unknown 878 number?

If you aren't expecting a 878 call, let it ring to voicemail. Legitimate callers leave a message, most robocallers hang up when no one picks up, and answering can mark your number as active and bring more calls.

How do I block calls from the 878 area code?

Block a single 878 number from your recent-calls list (iPhone: tap the number, then Block this Caller; Android: tap the number, then Block or report spam). To cut the volume, turn on Silence Unknown Callers on iPhone or spam protection on Android, enable spam filtering from your carrier, and register at DoNotCall.gov. Blocking the entire 878 code also stops legitimate local calls, so use it only as a last resort.

Where is area code 878?

Area code 878 covers Pittsburgh and the surrounding area in Pennsylvania, spanning 450 cities with about 2,677,445 residents. It shares its area with overlay codes 412, 724.

When did area code 878 go into service?

Area code 878 went into service on August 17, 2001. It was added as an overlay of 412, so 878 numbers serve the same area that 412 already covered.

Is 878 a real area code?

Yes. 878 is an active code in the North American Numbering Plan, assigned by NANPA and in service for Pittsburgh, Pennsylvania. A real code can still show up on spoofed spam calls, so treat unknown 878 calls with normal caution.

What timezone is the 878 area code in?

The 878 area code is in the Eastern Time (ET). Because a number can be kept when someone moves or switches to VoIP, a specific 878 caller may not be in that zone.

How do I call a 878 number from abroad?

From outside the US, dial your country's exit code, then 1 (the US country code), then 878 and the seven-digit number. From a mobile phone you can usually just enter +1 878 followed by the number and let the phone add the exit code for you.

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