Dover Delaware ZIP Codes
Dover holds 5 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Dover
| ZIP code | County |
|---|---|
| 19901 | Kent County |
| 19903 | Kent County |
| 19904 | Kent County |
| 19905 | Kent County |
| 19906 | 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Dover codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Dover. 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 Dover ZIP code begins 199. Those first three digits identify the sectional center facility that processes mail for this part of Delaware. Statewide that range covers 44 ZIP codes, so Dover accounts for 11% of it.
Every Delaware ZIP prefix and the region it covers →
Area codes covering Dover
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Dover occupies.
Dover Delaware area codes in full →
Where Dover's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Dover
| City | Distance | ZIP codes |
|---|---|---|
| Little Creek Delaware ZIP codes | 4.0 mi | 1 ZIP code |
| Cheswold Delaware ZIP codes | 5.4 mi | 1 ZIP code |
| Magnolia Delaware ZIP codes | 6.6 mi | 1 ZIP code |
| Woodside Delaware ZIP codes | 6.7 mi | 1 ZIP code |
| Viola Delaware ZIP codes | 8.6 mi | 1 ZIP code |
| Kenton Delaware ZIP codes | 8.9 mi | 1 ZIP code |
| Clayton Delaware ZIP codes | 9.8 mi | 1 ZIP code |
| Hartly Delaware ZIP codes | 10 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.