Dover New Jersey ZIP Codes
Dover holds 2 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Dover
| ZIP code | County |
|---|---|
| 07801 | Morris County |
| 07802 | Morris 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 078. Those first three digits identify the sectional center facility that processes mail for this part of New Jersey. Statewide that range covers 56 ZIP codes, so Dover accounts for 4% of it.
Every New Jersey 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 codes below serve the same ground Dover occupies.
Dover New Jersey 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 |
|---|---|---|
| Wharton New Jersey ZIP codes | 1.1 mi | 1 ZIP code |
| Rockaway New Jersey ZIP codes | 2.3 mi | 1 ZIP code |
| Mount Arlington New Jersey ZIP codes | 4.9 mi | 1 ZIP code |
| Morris Plains New Jersey ZIP codes | 5.5 mi | 1 ZIP code |
| Mountain Lakes New Jersey ZIP codes | 6.1 mi | 1 ZIP code |
| Hopatcong New Jersey ZIP codes | 7.1 mi | 1 ZIP code |
| Netcong New Jersey ZIP codes | 7.5 mi | 1 ZIP code |
| Morristown New Jersey ZIP codes | 7.5 mi | 3 ZIP codes |
Straight-line distance between place reference points, not driving distance.