West Chicago Illinois ZIP Codes
West Chicago holds 2 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in West Chicago
| ZIP code | County |
|---|---|
| 60185 | DuPage County |
| 60186 | DuPage 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 West Chicago codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for West Chicago. 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 West Chicago ZIP code begins 601. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 89 ZIP codes, so West Chicago accounts for 2% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering West Chicago
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 West Chicago occupies.
West Chicago Illinois area codes in full →
Where West Chicago's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near West Chicago
| City | Distance | ZIP codes |
|---|---|---|
| Winfield Illinois ZIP codes | 3.7 mi | 1 ZIP code |
| Wayne City Illinois ZIP codes | 4.0 mi | 1 ZIP code |
| Wayne Illinois ZIP codes | 4.0 mi | 1 ZIP code |
| Carol Stream Illinois ZIP codes | 4.9 mi | 6 ZIP codes |
| Bartlett Illinois ZIP codes | 5.1 mi | 1 ZIP code |
| Warrenville Illinois ZIP codes | 5.4 mi | 1 ZIP code |
| Geneva Illinois ZIP codes | 5.6 mi | 1 ZIP code |
| Batavia Illinois ZIP codes | 5.6 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.