| | Bruin borough | 4209528 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Bruinborough+PA |
| | Butler city | 4210464 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Butlercity+PA |
| | Callery borough | 4210800 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Calleryborough+PA |
| | Cherry Valley borough | 4213152 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=CherryValleyborough+PA |
| | Chicora borough | 4213440 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Chicoraborough+PA |
| | Connoquenessing borough | 4215808 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Connoquenessingborough+PA |
| | East Butler borough | 4220904 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=EastButlerborough+PA |
| | Eau Claire borough | 4222128 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=EauClaireborough+PA |
| | Evans City borough | 4224248 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=EvansCityborough+PA |
| | Fairview borough | 4224832 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Fairviewborough+PA |