About The 412 Area Code
The 412 area code covers these major cities:
Pittsburgh, Carnegie, Mc Kees Rocks, Coraopolis, Mckeesport, West Mifflin, Glenshaw, and more...
Along with those cities, these counties are also mostly covered:
Allegheny, Westmoreland, Washington, Butler, Beaver, Fayette, Indiana, and more...
