Antietam ZIP codes, Maryland
No ZIP code is named for Antietam, MD; addresses there use a neighbouring town's name. The ZIP code covering it is 21782. Its area codes are 240, 301 and 227.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 50
- County
- Washington County
- State
- Maryland
NANPA lists no telephone rate centre for Antietam itself, so these are the area codes of the nearest one, Keedysville (3.6 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Antietam
These ZIP codes cover part of Antietam but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
21782 | Sharpsburg , MD | Standard | 3,704 | $94,130 | $311,600 |
Map of Antietam ZIP codes
The ZIP codes of Antietam, MD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Antietam
The nearest larger towns are Dargan (135 people, 2.7 mi), Sharpsburg (585 people, 3.0 mi) and Mount Briar (201 people, 3.2 mi).
| Town | Population | Distance |
|---|---|---|
| Boonsboro | 3,809 | 7.6 mi |
| Brunswick | 8,450 | 9.0 mi |
| Ranson, WV | 5,729 | 10.7 mi |
| Middletown | 5,014 | 10.9 mi |
| St. James | 4,824 | 11.0 mi |
| Jefferson | 3,314 | 11.0 mi |
| Lovettsville, VA | 2,719 | 11.3 mi |
| Braddock Heights | 2,892 | 13.0 mi |
| Charles Town, WV | 7,337 | 13.0 mi |
| Martinsburg, WV | 18,904 | 13.2 mi |
| Halfway | 10,849 | 14.0 mi |
| Shannondale, WV | 3,465 | 14.5 mi |
| Robinwood | 8,042 | 15.1 mi |
| Hagerstown | 43,665 | 15.6 mi |
More nearby: every ZIP code in Washington County · Maryland ZIP codes
Cite this page
zipcodes.pro. “Antietam, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/antietam
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