Algonquin Illinois ZIP Codes
Algonquin holds a single ZIP code.
Every ZIP code in Algonquin
| ZIP code | County |
|---|---|
| 60102 | 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Algonquin codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Algonquin. 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 Algonquin 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 Algonquin accounts for 1% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Algonquin
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 Algonquin occupies.
Algonquin Illinois area codes in full →
Where Algonquin's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Algonquin
| City | Distance | ZIP codes |
|---|---|---|
| Lake In The Hills Illinois ZIP codes | 1.4 mi | 1 ZIP code |
| Carpentersville Illinois ZIP codes | 2.9 mi | 1 ZIP code |
| Gilberts Illinois ZIP codes | 4.3 mi | 1 ZIP code |
| Crystal Lake Illinois ZIP codes | 5.1 mi | 3 ZIP codes |
| Cary Illinois ZIP codes | 5.2 mi | 1 ZIP code |
| Lakewood Illinois ZIP codes | 5.6 mi | 1 ZIP code |
| Huntley Illinois ZIP codes | 5.8 mi | 1 ZIP code |
| Fox River Grove Illinois ZIP codes | 6.0 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.