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| Zip Code | State | Type | County | City | Area Code |
|---|---|---|---|---|---|
| Search for a ZIP code to see details | |||||
| County | ZIP Code | Major City | Type | Area Code |
|---|---|---|---|---|
| Carroll | 21048 | Finksburg, Patapsco | Standard | 443 |
| Carroll | 21074 | Hampstead, Greenmount | Standard | 410 443 |
| Carroll | 21088 | Lineboro, Manchester | PO Box | 410 |
| Carroll | 21102 | Manchester, Lineboro, Millers | Standard | 410 443 |
| Carroll | 21104 | Marriottsville, Marriottsvl, Woodstock | Standard | |
| Carroll | 21157 | Westminster | Standard | 410 443 |
| Carroll | 21158 | Westminster | Standard | 410 443 |
| Carroll | 21776 | New Windsor | Standard | 410 443 |
| Carroll | 21784 | Sykesville, Eldersburg, Gaither | Standard | 410 443 |
| Carroll | 21787 | Taneytown | Standard | 410 443 |
| Carroll | 21791 | Union Bridge, Linwood | Standard | 410 443 |