Area Code 412
Pennsylvania
Area code 412 serves Pennsylvania, primarily Pittsburgh, in the Eastern Time (ET) time zone. It has served the region since 01-Jan-1947.
Overlay Area Code
This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.
This area code shares its geographic region with: area code 878 (Pittsburgh).
In service since: 01-Jan-1947
History
Area code 412 is one of the original area codes established in 1947 when the North American Numbering Plan (NANP) was created. It shares its territory with area code area code 878.
Demographics
The estimated population served by area code 412 is approximately 1,277,708. The population density is 1,059 people per square mile, which is higher than the national average of 94. The median household income is $76,393, which is near the national median of $78,538. Approximately 43.2% of adults hold a bachelor's degree or higher, compared to the national rate of 35.0%. This rate is higher than the national average. The poverty rate stands at 11.0%, which is lower than the national rate of 12.4%.
Demographics & Economics
- Total Population
- 1,277,708
- Population Density
- 1,059 people/sq miabove U.S. average (U.S.: 94 people/sq mi)
- Median Household Income
- $76,393near U.S. median (U.S.: $78,538)
- Poverty Rate
- 11.0%below U.S. average (U.S.: 12.4%)
- Unemployment Rate
- 4.9%near U.S. average (U.S.: 5.2%)
- Education Attainment
- Bachelor's Degree+43.2%above U.S. average (U.S.: 35.0%)High School or Lower28.1%
Statistics are population-weighted aggregations from Census ACS 5-year estimates.See Sources for details.
Geographic Coverage
State
PA
Major Cities
- Pittsburgh
- Bethel Park
- Monroeville
- Plum
- Allison Park
- New Castle
- Baldwin
- Murrysville
- West Mifflin
- McKeesport
- Hermitage
- Franklin Park
- Whitehall
- Greensburg
- Indiana
- Wilkinsburg
- Carnot-Moon
- Washington
- Butler
- Sharon
- Jefferson Hills
- New Kensington
- Lower Burrell
- Munhall
and 455 more cities
Time Zone
- Eastern Time (ET)
Current Time
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 412).
| County | Population | Share |
|---|---|---|
| Allegheny, PA | 1,119,735 | 87.6% |
| Washington, PA | 80,953 | 6.3% |
| Westmoreland, PA | 55,071 | 4.3% |
| Beaver, PA | 21,949 | 1.7% |
Call Context
This area code serves a major metropolitan region with high population density in PA. The primary city is Pittsburgh.
Nearby Area Codes
Area codes geographically closest to 412.
Other Area Codes in Pennsylvania
Area codes that also serve Pennsylvania, linked for easy comparison.
Frequently Asked Questions
Common questions about area code 412 and how phone numbering works.
Phone numbers assigned to area code 412 are tied to where they were originally provisioned — not the caller's current location. This code serving roughly 1278k people covers Pittsburgh in PA, so a number originally set up there will retain the 412 prefix even if the owner moves or uses VoIP. As a densely populated metro area, Pittsburgh sees high call volume from both local and redirected numbers. Mobile phones keep their original number when users relocate, and businesses often adopt local area codes to establish a regional presence.
Start by looking up the area code on this site to understand its geographic context — area code 412 is associated with Pittsburgh in PA. For caller-specific details, use your carrier's caller ID features or check public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register with the National Do Not Call Registry.
When an area's available number pool runs low, regulators introduce an "overlay" code covering the same territory. Both codes coexist, and new numbers are assigned from whichever has availability. Area code 412 serves the Pittsburgh region in PA, where growing demand for phone numbers necessitated an additional code. This area code shares its region with area code 878. Learn more in our overlay vs split guide.