Oak Forest Illinois ZIP Codes
Oak Forest holds a single ZIP code.
Every ZIP code in Oak Forest
| ZIP code | County |
|---|---|
| 60452 | Cook 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Oak Forest codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Oak Forest. 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 Oak Forest ZIP code begins 604. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 83 ZIP codes, so Oak Forest accounts for 1% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Oak Forest
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 Oak Forest occupies.
Oak Forest Illinois area codes in full →
Where Oak Forest's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Oak Forest
| City | Distance | ZIP codes |
|---|---|---|
| Midlothian Illinois ZIP codes | 2.0 mi | 1 ZIP code |
| Crestwood Illinois ZIP codes | 2.8 mi | 1 ZIP code |
| Markham Illinois ZIP codes | 3.3 mi | 1 ZIP code |
| Country Club Hills Illinois ZIP codes | 3.3 mi | 1 ZIP code |
| Robbins Illinois ZIP codes | 3.4 mi | 1 ZIP code |
| Tinley Park Illinois ZIP codes | 3.7 mi | 2 ZIP codes |
| Posen Illinois ZIP codes | 3.8 mi | 1 ZIP code |
| Hazel Crest Illinois ZIP codes | 4.0 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.