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Area code 878

Area code 878 covers Pittsburgh, Pennsylvania. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Pennsylvania Major City: Pittsburgh Eastern Time (ET) Overlay: 724/878
01 / WHERE IT IS

Where is area code 878?

Area code 878 is assigned to Pittsburgh and the surrounding region in Pennsylvania. Calls to numbers that start with 878 are routed to this area.

Area code 878 shares its territory with 724. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Allegheny CountyWestmoreland CountyBeaver CountyFayette CountyButler CountyWashington CountyIndiana CountyLawrence CountyArmstrong CountyMercer County

Line types

  • Mobile 25.13%
  • Landline 74.87%
02 / MAP

Area code 878 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Pittsburgh

This area code is in the Eastern Time (ET) time zone.

Local timePittsburgh, PA--:--:--

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America/New_YorkLive
04 / HOW TO DIAL

How to call Pittsburgh

WITHIN THE US878 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 878 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 878 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 878 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 878 555 0123
🇦🇺Australia0011 1 878 555 0123
🇯🇵Japan010 1 878 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 878

Share of the number blocks by carrier and line type.

Landline

Sinch
34%
CoreTel Communications
15%
Fractel
8%
Comcast
5%
Commio
5%
Others
33%

Mobile

T-Mobile USA
32%
Sinch
30%
Verizon Wireless
13%
AT&T Mobility
13%
Boost Mobile
11%
Others
2%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 878

187 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(878) 200 Mobile Scottdale Boost MobileBOOST SUBSCRIBERCO L.L.C.
(878) 201 Landline Rochester InfobipPEERLESS NETWORK OF PENNSYLVANIA, LLC - PA
(878) 202 Landline Sharon SpectrumTWC IP ENABLED SERVICES, LLC
(878) 203 Landline Charleroi Lumen TechnologiesCENTURYLINK COMMUNICATIONS, LLC
(878) 204 Landline Sheakleyville Windstream CommunicationsWINDSTREAM PENNSYLVANIA, INC.
(878) 205 Landline Connellsville SinchONVOY, LLC - PA
(878) 206 Landline Fairchance SinchONVOY, LLC - PA
(878) 207 Landline Rochester ComcastCOMCAST IP PHONE, LLC
(878) 208 Landline Criders Corners Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(878) 209 Mobile Aliquippa Boost MobileBOOST SUBSCRIBERCO L.L.C.

Showing 10 of 187 prefixes

07 / FAQ

Frequently asked questions about area code 878

Where is area code 878 used?
Area code 878 serves Pittsburgh and the surrounding area in Pennsylvania, including Allegheny County, Westmoreland County, Beaver County, Fayette County, Butler County.
What city is area code 878 from?
The main city of area code 878 is Pittsburgh, PA.
What time zone is area code 878 in?
Area code 878 is in the Eastern Time (ET) time zone (America/New_York).
Is 878 an overlay area code?
Yes. It shares its territory with 724. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 878 from the United States?
Dial the 10 digits: 878 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 878 number from another country?
Dial your country's exit code (or +), then 1, then 878 and the seven-digit number. From a mobile you can use +1 878 XXX XXXX.
Which carriers use area code 878?
Most landline blocks belong to Sinch and most mobile blocks to T-Mobile USA. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 878 for landlines, mobiles or both?
Both. About 74.87% of the number blocks are landline, 25.13% mobile.
How do I save a 878 number in WhatsApp or my phone?
Save it in international format: +1 878 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 878?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

330Akron, OH234Akron, OH440Willoughby, OH216Cleveland, OH304Charleston, WV740Newark, OH

Other area codes in Pennsylvania

215 · Philadelphia267 · Philadelphia272 · Scranton412 · Pittsburgh445 · Philadelphia484 · Allentown570 · Scranton610 · Allentown717 · Lancaster724 · New Castle814 · Erie

View all Pennsylvania area codes →