River Forest Illinois ZIP Codes
River Forest holds a single ZIP code.
Every ZIP code in River Forest
| ZIP code | County |
|---|---|
| 60305 | 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 River Forest codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for River 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 River Forest ZIP code begins 603. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 6 ZIP codes, so River Forest accounts for 17% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering River 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 River Forest occupies.
River Forest Illinois area codes in full →
Where River Forest's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near River Forest
| City | Distance | ZIP codes |
|---|---|---|
| Oak Park Illinois ZIP codes | 1.6 mi | 4 ZIP codes |
| Maywood Illinois ZIP codes | 1.7 mi | 1 ZIP code |
| Forest Park Illinois ZIP codes | 1.8 mi | 1 ZIP code |
| Elmwood Park Illinois ZIP codes | 1.9 mi | 1 ZIP code |
| River Grove Illinois ZIP codes | 2.3 mi | 1 ZIP code |
| Melrose Park Illinois ZIP codes | 2.4 mi | 3 ZIP codes |
| Bellwood Illinois ZIP codes | 3.1 mi | 1 ZIP code |
| Broadview Illinois ZIP codes | 3.2 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.