Rock City Illinois ZIP Codes
Rock City holds a single ZIP code.
Every ZIP code in Rock City
| ZIP code | County |
|---|---|
| 61070 | Stephenson 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 City codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Rock City. 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 City ZIP code begins 610. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 66 ZIP codes, so Rock City accounts for 2% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Rock City
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 City occupies.
Rock City Illinois area codes in full →
Where Rock City's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Rock City
| City | Distance | ZIP codes |
|---|---|---|
| Davis Illinois ZIP codes | 2.9 mi | 1 ZIP code |
| Dakota Illinois ZIP codes | 3.3 mi | 1 ZIP code |
| Durand Illinois ZIP codes | 7.5 mi | 1 ZIP code |
| Ridott Illinois ZIP codes | 8.0 mi | 1 ZIP code |
| Cedarville Illinois ZIP codes | 8.8 mi | 1 ZIP code |
| Pecatonica Illinois ZIP codes | 9.2 mi | 1 ZIP code |
| Orangeville Illinois ZIP codes | 9.7 mi | 1 ZIP code |
| Freeport Illinois ZIP codes | 12 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.