Big Rock Illinois ZIP Codes
Big Rock holds a single ZIP code.
Every ZIP code in Big Rock
| ZIP code | County |
|---|---|
| 60511 | Kane 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Big Rock codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Big Rock. 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 Big Rock ZIP code begins 605. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 65 ZIP codes, so Big Rock accounts for 2% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Big Rock
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 Big Rock occupies.
Big Rock Illinois area codes in full →
Where Big Rock's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Big Rock
| City | Distance | ZIP codes |
|---|---|---|
| Sugar Grove Illinois ZIP codes | 4.0 mi | 1 ZIP code |
| Kaneville Illinois ZIP codes | 4.6 mi | 1 ZIP code |
| Hinckley Illinois ZIP codes | 5.9 mi | 1 ZIP code |
| Plano Illinois ZIP codes | 6.0 mi | 1 ZIP code |
| Yorkville Illinois ZIP codes | 8.8 mi | 1 ZIP code |
| Elburn Illinois ZIP codes | 8.9 mi | 1 ZIP code |
| Montgomery Illinois ZIP codes | 9.2 mi | 1 ZIP code |
| Sandwich Illinois ZIP codes | 9.4 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.