| Post Office | Westminster |
| Division | Carroll |
| Pincode | 21157 |
| Post Office | Sykesville |
| Division | Carroll |
| Pincode | 21784 |
| Post Office | Westminster |
| Division | Carroll |
| Pincode | 21158 |
| Post Office | Hampstead |
| Division | Carroll |
| Pincode | 21074 |
| Post Office | Manchester |
| Division | Carroll |
| Pincode | 21102 |
| Post Office | Taneytown |
| Division | Carroll |
| Pincode | 21787 |
| Post Office | Finksburg |
| Division | Carroll |
| Pincode | 21048 |
| Post Office | New Windsor |
| Division | Carroll |
| Pincode | 21776 |
| Post Office | Union Bridge |
| Division | Carroll |
| Pincode | 21791 |
9 City in Carroll | List of Zip Codes Location In Maryland and Your selected County Carroll