ZIP CodesZIP codes in Carroll County, Maryland
Carroll County, Maryland has 13 ZIP codes in this list, from 21048 to 21797. They cover 12 places, among them Westminster, Finksburg, Hampstead and Lineboro.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 21048 | Finksburg | 27.3 | 39.499, -76.910 |
| 21074 | Hampstead | 37.7 | 39.615, -76.864 |
| 21088 | Lineboro | no area | 39.719, -76.844 |
| 21102 | Manchester | 40.6 | 39.675, -76.894 |
| 21104 | Marriottsville | 17.1 | 39.334, -76.913 |
| 21157 | Westminster | 77.7 | 39.564, -76.981 |
| 21158 | Westminster | 73.3 | 39.607, -77.029 |
| 21757 | Keymar | 35.2 | 39.566, -77.282 |
| 21776 | New Windsor | 35.5 | 39.516, -77.103 |
| 21784 | Sykesville | 56.1 | 39.457, -76.970 |
| 21787 | Taneytown | 61.1 | 39.666, -77.169 |
| 21791 | Union Bridge | 46.0 | 39.580, -77.132 |
| 21797 | Woodbine | 43.7 | 39.346, -77.065 |
The ZIP code areas of Carroll County add up to about 551 square miles of land (1,428 sq km) as the Census Bureau draws them. The largest is 21157 (Westminster), with 77.7 square miles.
Places with more than one code here: Westminster (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Finksburg, MD 21048.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.