Dover Illinois ZIP Codes
Dover holds a single ZIP code.
Every ZIP code in Dover
| ZIP code | County |
|---|---|
| 61323 | Bureau 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 613. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 62 ZIP codes, so Dover accounts for 2% of it.
Every Illinois 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 Illinois 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 |
|---|---|---|
| Malden Illinois ZIP codes | 1.5 mi | 1 ZIP code |
| Princeton Illinois ZIP codes | 5.1 mi | 1 ZIP code |
| Seatonville Illinois ZIP codes | 7.8 mi | 1 ZIP code |
| Arlington Illinois ZIP codes | 8.1 mi | 1 ZIP code |
| La Moille Illinois ZIP codes | 8.8 mi | 1 ZIP code |
| Ohio Illinois ZIP codes | 9.0 mi | 1 ZIP code |
| Cherry Illinois ZIP codes | 9.5 mi | 1 ZIP code |
| Ladd Illinois ZIP codes | 10 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.