Smithsburg Maryland ZIP Codes
Smithsburg holds a single ZIP code.
Every ZIP code in Smithsburg
| ZIP code | County |
|---|---|
| 21783 | Washington 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Smithsburg codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Smithsburg. 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 Smithsburg ZIP code begins 217. Those first three digits identify the sectional center facility that processes mail for this part of Maryland. Statewide that range covers 66 ZIP codes, so Smithsburg accounts for 2% of it.
Every Maryland ZIP prefix and the region it covers →
Area codes covering Smithsburg
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 Smithsburg occupies.
Smithsburg Maryland area codes in full →
Where Smithsburg's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Smithsburg
| City | Distance | ZIP codes |
|---|---|---|
| Funkstown Maryland ZIP codes | 7.4 mi | 1 ZIP code |
| Hagerstown Maryland ZIP codes | 7.7 mi | 6 ZIP codes |
| Thurmont Maryland ZIP codes | 9.5 mi | 1 ZIP code |
| Myersville Maryland ZIP codes | 10 mi | 1 ZIP code |
| Boonsboro Maryland ZIP codes | 11 mi | 1 ZIP code |
| Keedysville Maryland ZIP codes | 13 mi | 1 ZIP code |
| Williamsport Maryland ZIP codes | 13 mi | 1 ZIP code |
| Emmitsburg Maryland ZIP codes | 14 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.