Area code
Area code 878 — Pennsylvania
Pennsylvania · in service since August 17, 2001
Area code 878 covers parts of Pennsylvania. It is an overlay: 412, 724 serve the same area, so neighbors can have different area codes.
Local time in Pennsylvania
Spam reports from Sep 23 – Oct 22, 2026
Low #354 of 461 codes
160 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes205 assigned
- Runs out~2Q 2072
- Unwanted call?Block & report
Spam call reports about 878 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 6 |
| Sep 14 | 47 |
| Sep 21 | 31 |
| Sep 28 | 34 |
| Oct 5 | 33 |
| Oct 12 | 42 |
| Oct 19 (4 days) | 32 |
Compared with all codes
- Robocalls
- 68%all codes 75%
- Callers with the same code
- 2%all codes 35%
- Rank by complaints
- #354of 461 · bottom quarter
- FCC complaints, Oct 2025 – Sep 2026
- 393 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 74 33% | |
| Dropped call or no message | 22 10% | |
| Calls pretending to be government, businesses, or family and friends | 14 6% | |
| Energy, solar, & utilities | 7 3% | |
| Medical & prescriptions | 4 2% | |
| Charities | 1 <1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Pennsylvania | 61 27% | |
| California | 18 8% | |
| Florida | 16 7% | |
| New York | 10 4% | |
| Texas | 10 4% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 878 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| BEAVER FLS | Beaver Falls | Beaver County | 9 |
| PTTSBGZON1 | Pittsburgh | Allegheny County | 9 |
| WASHINGTON | Washington | Washington County | 8 |
| GREENSBURG | Greensburg | Westmoreland County | 7 |
| ROCHESTER | Rochester | Beaver County | 7 |
| CRIDERSCOR | — | — | 6 |
| UNIONTOWN | Uniontown | Fayette County | 6 |
| BUTLER | Butler | Butler County | 4 |
| NEWKNSNGTN | New Kensington | Westmoreland County | 4 |
| WEXFORD | — | — | 4 |
Plus 94 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Pennsylvania
- Assigned by NANPA
- December 15, 1999
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-281, PL-222
Source: NANPA, NPA database of Oct 24, 2026.
Is 878 running out of numbers?
Previous forecast (October 2025): 2040, moved later by 32 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 878 prefixes
The five largest of 38 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Onvoy, LLC | 51 25% | |
| Ton80 Communications, LLC | 19 9% | |
| Aerial Communications, Inc. | 14 7% | |
| Onvoy Spectrum, LLC | 14 7% | |
| Fractel, LLC | 11 5% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 878
What area code is 878?
A Pennsylvania area code, in service since August 17, 2001.
Where is 878 area code, and what time zone is it in?
Pennsylvania; Eastern Time.
Why am I getting spam calls from 878?
160 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 878 get a new area code?
NANPA forecasts exhaust in 2Q 2072; no relief planning listed.