Harvard Illinois ZIP Codes
Harvard holds a single ZIP code.
Every ZIP code in Harvard
| ZIP code | County |
|---|---|
| 60033 | 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Harvard codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Harvard. 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 Harvard ZIP code begins 600. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 82 ZIP codes, so Harvard accounts for 1% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Harvard
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 Harvard occupies.
Harvard Illinois area codes in full →
Where Harvard's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Harvard
| City | Distance | ZIP codes |
|---|---|---|
| Capron Illinois ZIP codes | 6.4 mi | 1 ZIP code |
| Hebron Illinois ZIP codes | 9.8 mi | 1 ZIP code |
| Poplar Grove Illinois ZIP codes | 13 mi | 1 ZIP code |
| Woodstock Illinois ZIP codes | 13 mi | 1 ZIP code |
| Marengo Illinois ZIP codes | 13 mi | 1 ZIP code |
| Wonder Lake Illinois ZIP codes | 14 mi | 1 ZIP code |
| Union Illinois ZIP codes | 14 mi | 1 ZIP code |
| Caledonia Illinois ZIP codes | 15 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.