Area code 878 — Pennsylvania
Area code 878 is in Pennsylvania and serves Pittsburgh. Time zone, overlays, counties and ZIP codes.
| Location | Pennsylvania (Pittsburgh) and suburbs |
|---|---|
| Main places | Pittsburgh |
| State | Pennsylvania |
| Status | In service · since 2001 |
| Time zone | Eastern · |
| Overlay codes | 412724 Overlays share the same area. Local calls usually need 10-digit dialing. |
| Local dialing | 10 digits |
History
- Overlaid on 412 and 724
Counties (approximate)
AlleghenyAllegheny CountyArmstrongArmstrong CountyBeaver CountyButlerButler CountyCambria CountyClarionClarion CountyCrawford CountyFayetteFayette CountyGreene CountyIndianaIndiana CountyJefferson CountyLawrenceLawrence CountyMercer CountyVenango CountyWashingtonWashington CountyWestmorelandWestmoreland County
ZIP codes in area code 878
Approximate: area code boundaries follow telephone rate centers, not ZIP codes.
15001 Aliquippa15003 Ambridge15004 Atlasburg15005 Baden15006 Bairdford15007 Bakerstown15009 Beaver15010 Beaver Falls15012 Belle Vernon15014 Brackenridge15015 Bradfordwoods15017 Bridgeville15018 Buena Vista15019 Bulger15020 Bunola15021 Burgettstown15022 Charleroi15024 Cheswick15025 Clairton15026 Clinton15027 Conway15028 Coulters15030 Creighton15031 Cuddy15032 Curtisville15033 Donora15034 Dravosburg15035 East Mc Keesport15037 Elizabeth15038 Elrama15042 Freedom15043 Georgetown15044 Gibsonia15045 Glassport15046 Crescent15047 Greenock15049 Harwick15050 Hookstown15051 Indianola15052 Industry
Format a 878 number
US numbers are written as (878) 555-0123 or 878-555-0123. From outside the US, dial +1 878 555 0123.
Is a call from 878 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.