Union Illinois ZIP Codes
Union holds a single ZIP code.
Every ZIP code in Union
| ZIP code | County |
|---|---|
| 60180 | McHenry 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Union codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Union. 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 Union 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 Union accounts for 1% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Union
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 Union occupies.
Union Illinois area codes in full →
Where Union's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Union
| City | Distance | ZIP codes |
|---|---|---|
| Marengo Illinois ZIP codes | 2.9 mi | 1 ZIP code |
| Huntley Illinois ZIP codes | 7.4 mi | 1 ZIP code |
| Woodstock Illinois ZIP codes | 7.8 mi | 1 ZIP code |
| Lakewood Illinois ZIP codes | 8.1 mi | 1 ZIP code |
| Hampshire Illinois ZIP codes | 8.3 mi | 1 ZIP code |
| Crystal Lake Illinois ZIP codes | 11 mi | 3 ZIP codes |
| Gilberts Illinois ZIP codes | 12 mi | 1 ZIP code |
| Lake In The Hills Illinois ZIP codes | 12 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.