Rock Hall Maryland ZIP Codes
Rock Hall holds a single ZIP code.
Every ZIP code in Rock Hall
| ZIP code | County |
|---|---|
| 21661 | Kent County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Rock Hall codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Rock Hall. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Rock Hall ZIP code begins 216. Those first three digits identify the sectional center facility that processes mail for this part of Maryland. Statewide that range covers 62 ZIP codes, so Rock Hall accounts for 2% of it.
Every Maryland ZIP prefix and the region it covers →
Area codes covering Rock Hall
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Rock Hall occupies.
Rock Hall Maryland area codes in full →
Where Rock Hall's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Rock Hall
| City | Distance | ZIP codes |
|---|---|---|
| Chestertown Maryland ZIP codes | 10 mi | 2 ZIP codes |
| Queenstown Maryland ZIP codes | 11 mi | 1 ZIP code |
| Centreville Maryland ZIP codes | 12 mi | 1 ZIP code |
| Church Hill Maryland ZIP codes | 14 mi | 1 ZIP code |
| Pasadena Maryland ZIP codes | 17 mi | 2 ZIP codes |
| Betterton Maryland ZIP codes | 18 mi | 1 ZIP code |
| Annapolis Maryland ZIP codes | 18 mi | 8 ZIP codes |
| Barclay Maryland ZIP codes | 20 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.