| 16018 Annandale | 724/878 | Butler County | Pennsylvania (PA) |
| 16020 Annandale | 724/878 | Butler County | Pennsylvania (PA) |
| 16038 Barkeyville | 724/878 | Butler County | Pennsylvania (PA) |
| 16016 Boyers | 724/878 | Butler County | Pennsylvania (PA) |
| 16017 Boyers | 724/878 | Butler County | Pennsylvania (PA) |
| 16018 Boyers | 724/878 | Butler County | Pennsylvania (PA) |
| 16020 Boyers | 724/878 | Butler County | Pennsylvania (PA) |
| 16021 Branchton | 724/878 | Butler County | Pennsylvania (PA) |
| 16022 Bruin | 724/878 | Butler County | Pennsylvania (PA) |
| 16001 Butler | 724/878 | Butler County | Pennsylvania (PA) |
| 16002 Butler | 724/878 | Butler County | Pennsylvania (PA) |
| 16003 Butler | 724/878 | Butler County | Pennsylvania (PA) |
| 16023 Cabot | 724/878 | Butler County | Pennsylvania (PA) |
| 16024 Callery | 724/878 | Butler County | Pennsylvania (PA) |
| 16025 Chicora | 724/878 | Butler County | Pennsylvania (PA) |
| 16027 Connoquenessing | 724/878 | Butler County | Pennsylvania (PA) |
| 16027 Connoqunsg | 724/878 | Butler County | Pennsylvania (PA) |
| 16066 Cranberry Township | 724/878 | Butler County | Pennsylvania (PA) |
| 16029 East Butler | 724/878 | Butler County | Pennsylvania (PA) |
| 16030 Eau Claire | 724/878 | Butler County | Pennsylvania (PA) |
| 16033 Evans City | 724/878 | Butler County | Pennsylvania (PA) |
| 16034 Fenelton | 724/878 | Butler County | Pennsylvania (PA) |
| 16035 Forestville | 724/878 | Butler County | Pennsylvania (PA) |
| 16037 Harmony | 724/878 | Butler County | Pennsylvania (PA) |
| 16038 Harrisville | 724/878 | Butler County | Pennsylvania (PA) |
| 16039 Herman | 724/878 | Butler County | Pennsylvania (PA) |
| 16040 Hilliards | 724/878 | Butler County | Pennsylvania (PA) |
| 16041 Karns City | 724/878 | Butler County | Pennsylvania (PA) |
| 16045 Lyndora | 724/878 | Butler County | Pennsylvania (PA) |
| 16046 Mars | 724/878 | Butler County | Pennsylvania (PA) |
| 16023 Marwood | 724/878 | Butler County | Pennsylvania (PA) |
| 16001 Meridian | 724/878 | Butler County | Pennsylvania (PA) |
| 16018 National Agency for Check Inqu | 724/878 | Butler County | Pennsylvania (PA) |
| 16048 North Washington | 724/878 | Butler County | Pennsylvania (PA) |
| 16017 Office of Personnel Mgmt | 724/878 | Butler County | Pennsylvania (PA) |
| 16050 Petrolia | 724/878 | Butler County | Pennsylvania (PA) |
| 16051 Portersville | 724/878 | Butler County | Pennsylvania (PA) |
| 16052 Prospect | 724/878 | Butler County | Pennsylvania (PA) |
| 16053 Renfrew | 724/878 | Butler County | Pennsylvania (PA) |
| 16055 Sarver | 724/878 | Butler County | Pennsylvania (PA) |
| 16056 Saxonburg | 724/878 | Butler County | Pennsylvania (PA) |
| 16046 Seven Fields | 724/878 | Butler County | Pennsylvania (PA) |
| 16057 Slippery Rock | 724/878 | Butler County | Pennsylvania (PA) |
| 16016 Social Security Admin | 724/878 | Butler County | Pennsylvania (PA) |
| 16059 Valencia | 724/878 | Butler County | Pennsylvania (PA) |
| 16061 West Sunbury | 724/878 | Butler County | Pennsylvania (PA) |
| 16063 Zelienople | 724/878 | Butler County | Pennsylvania (PA) |