| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| Bessemer Post Office | BESSEMER, PA 16112 | 201 E Poland Ave | 7246677131 | View Details Get Directions |
| Downtown New Castle Post Office | NEW CASTLE, PA 16101 | 151 Cascade Galleria | 7246524611 | View Details Get Directions |
| Edinburg Post Office | EDINBURG, PA 16116 | 5412 Erie St | 7246678873 | View Details Get Directions |
| Ellwood City Post Office | ELLWOOD CITY, PA 16117 | 320 7th St | 7247587531 | View Details Get Directions |
| Enon Valley Post Office | ENON VALLEY, PA 16120 | 7150 Vine St | 7243365130 | View Details Get Directions |
| Grove City Post Office | GROVE CITY, PA 16127 | 117 E Pine St | 7244586140 | View Details Get Directions |
| Hillsville Post Office | HILLSVILLE, PA 16132 | 2562 Churchill Rd | 7246679242 | View Details Get Directions |
| Neshannock Post Office | NEW CASTLE, PA 16105 | 4 E Maitland Ln | 7246542241 | View Details Get Directions |
| New Bedford Post Office | NEW BEDFORD, PA 16140 | 425 State Route 208 | 7249648828 | View Details Get Directions |
| New Castle Carrier Annex Post Office | NEW CASTLE, PA 16101 | 20 E South St | 7246523157 | View Details Get Directions |
| New Galilee Post Office | NEW GALILEE, PA 16141 | 801 Washington Ave | 7243365013 | View Details Get Directions |
| New Wilmington Post Office | NEW WILMINGTON, PA 16142 | 143 W Neshannock Ave | 7249462581 | View Details Get Directions |
| Portersville Post Office | PORTERSVILLE, PA 16051 | 1272 Perry Hwy | 7243688011 | View Details Get Directions |
| Pulaski Post Office | PULASKI, PA 16143 | 1930 State Route 208 | 7246527620 | View Details Get Directions |
| Slippery Rock Post Office | SLIPPERY ROCK, PA 16057 | 400 S Main St | 7247948760 | View Details Get Directions |
| Villa Maria Post Office | VILLA MARIA, PA 16155 | 288 Villa Dr Rm Mh216 | 7249648601 | View Details Get Directions |
| Volant Post Office | VOLANT, PA 16156 | 100 High St | 7245333095 | View Details Get Directions |
| Harmony Village Post Office | HARMONY, PA 16037 | 222 Mercer St | 7244528333 | Get Directions |
| Wampum Post Office | WAMPUM, PA 16157 | 414 Beaver St | 7245354251 | View Details Get Directions |
| West Middlesex Post Office | WEST MIDDLESEX, PA 16159 | 39 Fair St | 7245289771 | View Details Get Directions |
| West Pittsburg Post Office | WEST PITTSBURG, PA 16160 | 341 Center Ave | 7245357222 | View Details Get Directions |
| Mailbox in Post Office Lobby | GROVE CITY, PA 16127 | 1911 Leesburg Grove City Rd | -- | Get Directions |
| Mailbox in Post Office Lobby | VILLA MARIA, PA 16155 | 288 Villa Dr | -- | Get Directions |
| Mailbox in Post Office Lobby | NEW CASTLE, PA 16101 | 435 S Cascade St | -- | Get Directions |
| Public Collection Box | SLIPPERY ROCK, PA 16057 | 1 Morrow Way | -- | Get Directions |
| Public Collection Box | GROVE CITY, PA 16127 | 100 Campus Dr | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 100 S Jefferson St | -- | Get Directions |
| Public Collection Box | FOMBELL, PA 16123 | 1015 Route 288 | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 104 Margaret St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 104 Plaza St S | -- | Get Directions |
| Public Collection Box | GROVE CITY, PA 16127 | 109 S Broad St | -- | Get Directions |
| Public Collection Box | GROVE CITY, PA 16127 | 118 E Pine St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 120 E Washington St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16105 | 1211 Wilmington Ave | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 129 Franklin Ave | -- | Get Directions |
| Public Collection Box | HARMONY, PA 16037 | 13 Northgate Plz | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 135 4th St | -- | Get Directions |
| Public Collection Box | SLIPPERY ROCK, PA 16057 | 14 Maltby Ave | -- | Get Directions |
| Public Collection Box | SLIPPERY ROCK, PA 16057 | 140 S Main St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 15 W Washington St | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 1660 Route 65 | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 1700 New Butler Rd | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16105 | 1700 Wilmington Rd | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16105 | 1707 Wilmington Rd | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 18 N Mercer St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 18 N Mill St | -- | Get Directions |
| Public Collection Box | EDINBURG, PA 16116 | 199 Harbor Village Dr | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 201 Glen Ave | -- | Get Directions |
| Public Collection Box | GROVE CITY, PA 16127 | 201 S Broad St | -- | Get Directions |
| Public Collection Box | PORTERSVILLE, PA 16051 | 2010 New Castle Rd | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 202 5th St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16102 | 202 N Liberty St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 2026 W State St | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 212 Portersville Rd | -- | Get Directions |
| Public Collection Box | SLIPPERY ROCK, PA 16057 | 223 Grove City Rd | -- | Get Directions |
| Public Collection Box | GROVE CITY, PA 16127 | 228 W Main St | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 229 Portersville Rd | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 2501 W State St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 2515 W State St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 2650 Ellwood Rd | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 267 Route 288 | -- | Get Directions |
| Public Collection Box | GROVE CITY, PA 16127 | 27 Pine Grove Sq | -- | Get Directions |
| Public Collection Box | SLIPPERY ROCK, PA 16057 | 278 Cameron Dr | -- | Get Directions |
| Public Collection Box | SLIPPERY ROCK, PA 16057 | 300 Orchid Ln | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16105 | 3009 Wilmington Rd | -- | Get Directions |
| Public Collection Box | GROVE CITY, PA 16127 | 301 S Broad St | -- | Get Directions |
| Public Collection Box | GROVE CITY, PA 16127 | 304 Hillcrest Cir | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16105 | 3230 Wilmington Rd | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 324 2nd St | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 324 Sims St | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 327 Lawrence Ave | -- | Get Directions |
| Public Collection Box | GROVE CITY, PA 16127 | 330 N Broad St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16105 | 3300 Wilmington Rd | -- | Get Directions |
| Public Collection Box | WAMPUM, PA 16157 | 3384 State Route 18 | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16105 | 3443 Wilmington Rd | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 401 Wayne Ave | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 41 S Mercer St | -- | Get Directions |
| Public Collection Box | EDINBURG, PA 16116 | 4118 W State St | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 430 Court St | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 438 Line Ave | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 505 Lawrence Ave | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 601 Lawrence Ave | -- | Get Directions |
| Public Collection Box | NEW CASTLE, PA 16101 | 704 Wilmington Ave | -- | Get Directions |
| Public Collection Box | ELLWOOD CITY, PA 16117 | 724 Pershing St | -- | Get Directions |
