Armstrong County Post Offices

There are 23 US Post Offices in Armstrong County serving a total of 52,572 residents equating to 2,286 residents per post office. It's estimated that approximately 83,911 packages are handled across the 23 county post offices annually. Armstrong County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 68,941. The county seat is Kittanning. The county was organized on March 12, 1800, from parts of Allegheny, Westmoreland and Lycoming Counties. It was named in honor of John Armstrong, who represented Pennsylvania in the Continental Congress and served as a major general during the Revolutionary War. Armstrong County is included in the Pittsburgh, PA Metropolitan Statistical Area."

Adrian Post Office

Avonmore Post Office

Cadogan Post Office

Cowansville Post Office

Dayton Post Office

Distant Post Office

Elderton Post Office

Ford City Post Office

Freeport Post Office

Kittanning Post Office

Manorville Post Office

Mayport Post Office

Mc Grann Post Office

North Apollo Post Office

Nu Mine Post Office

Oak Ridge Post Office

Rural Valley Post Office

Sagamore Post Office

Schenley Post Office

Spring Church Post Office

Templeton Post Office

Worthington Post Office

Yatesboro Post Office

Armstrong County

Post Offices by ZIP Code