Area Code Box

Area code 878

Where is area code 878?

Pittsburgh, Beaver Falls and Washington, Pennsylvania

Local time: … (Eastern Time)

StatePennsylvania
CountryUnited States
Main citiesPittsburgh, Beaver Falls and Washington
Time zoneEastern Time
Overlay area codes412 and 724
In service since2001 (created from 412)
Assigned prefixes191
Dialing format(878) XXX-XXXX · +1 878 XXX XXXX from abroad

Look up a 878 number

Enter a 3-digit area code or a full 10-digit number.

Cities and towns in area code 878

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 878.

Phone companies in area code 878

The carriers that hold the most 878 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

PrefixesCarrier
51Onvoy
19Ton80 Communications
14Aerial Communications (T-Mobile)
14Onvoy Spectrum (Charter Spectrum)
11Fractel
7Comcast IP Phone
7Mcimetro Access Transmission Services
7Verizon Wireless

All 191 prefixes in area code 878

Pick the 3 digits after the area code to see that prefix’s city and carrier.

Area codes that overlay 878

Questions

Where is area code 878?
Area code 878 is in Pennsylvania. It serves Pittsburgh, Beaver Falls, Washington, Beaver and Greensburg and 91 other cities and towns.
What time zone is area code 878 in?
Area code 878 uses Eastern Time.
What area codes overlay 878?
412 and 724 serve the same area as 878. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.
Is a call from area code 878 a scam?
The area code alone doesn’t tell you. Most calls from 878 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 878 number, let it go to voicemail.
When did area code 878 start?
878 went into service in 2001. It was created from area code 412.
Can a 878 number be outside Pennsylvania?
Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 878 caller can be anywhere.

Other area codes in Pennsylvania

Area codeMain cities
215Philadelphia, Phphsbzn33 and Phphsbzn39
223Harrisburg, Columbia and Lancaster
267Philadelphia, Langhorne and Doylestown
272Williamsport, Pittston and New Milford
445Philadelphia, Morrisville and Phphsbzn39
484Allentown, King of Prussia and Reading
570Scranton, Wilkes-Barre and Williamsport
582Boalsburg, Reynoldsville and Erie
610King of Prussia, Allentown and Reading
717Harrisburg, Lancaster and York
814Erie, Altoona and Johnstown
835Allentown, King of Prussia and Bala Cynwyd