| Locality | Post Code |
|---|---|
| Edgeworth, Allegheny | 15143 |
| Elizabeth, Allegheny | 15037 |
| Emsworth, Allegheny | 15202 |
| Etna, Allegheny | 15223 |
| Finleyville, Allegheny | 15332 |
| Floreffe, Allegheny | 15025 |
| Forest Hills, Allegheny | 15221 |
| Fox Chapel, Allegheny | 15238 |
| Gibsonia, Allegheny | 15044 |
| Glassport, Allegheny | 15045 |
| Glenshaw, Allegheny | 15116 |
| Glenwillard, Allegheny | 15046 |
| Greenock, Allegheny | 15047 |
| Greentree, Allegheny | 15242 |
| Harwick, Allegheny | 15049 |
| Hazelwood, Allegheny | 15207 |
| Heidelberg, Allegheny | 15106 |
| Homestead, Allegheny | 15120 |
| Homewood, Allegheny | 15208 |
| Imperial, Allegheny | 15126 |
| Indianola, Allegheny | 15051 |
| Ingomar, Allegheny | 15127 |
| Ingram, Allegheny | 15205 |
| Jefferson Hills, Allegheny | 15025 |
| Kilbuck, Allegheny | 15233 |
| Large, Allegheny | 15025 |