Machesney Park Illinois ZIP Codes
Machesney Park holds a single ZIP code.
Every ZIP code in Machesney Park
| ZIP code | County |
|---|---|
| 61115 | Winnebago 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Machesney Park codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Machesney Park. 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 Machesney Park ZIP code begins 611. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 19 ZIP codes, so Machesney Park accounts for 5% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Machesney Park
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 Machesney Park occupies.
Machesney Park Illinois area codes in full →
Where Machesney Park's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Machesney Park
| City | Distance | ZIP codes |
|---|---|---|
| Loves Park Illinois ZIP codes | 2.4 mi | 4 ZIP codes |
| Roscoe Illinois ZIP codes | 4.1 mi | 1 ZIP code |
| Rockton Illinois ZIP codes | 5.8 mi | 1 ZIP code |
| Caledonia Illinois ZIP codes | 6.7 mi | 1 ZIP code |
| Rockford Illinois ZIP codes | 7.7 mi | 14 ZIP codes |
| South Beloit Illinois ZIP codes | 8.1 mi | 1 ZIP code |
| Poplar Grove Illinois ZIP codes | 9.3 mi | 1 ZIP code |
| Cherry Valley Illinois ZIP codes | 9.5 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.