Deer Grove Illinois ZIP Codes
Deer Grove holds a single ZIP code.
Every ZIP code in Deer Grove
| ZIP code | County |
|---|---|
| 61243 | Whiteside 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Deer Grove codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Deer Grove. 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 Deer Grove ZIP code begins 612. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 47 ZIP codes, so Deer Grove accounts for 2% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Deer Grove
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 Deer Grove occupies.
Deer Grove Illinois area codes in full →
Where Deer Grove's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Deer Grove
| City | Distance | ZIP codes |
|---|---|---|
| Tampico Illinois ZIP codes | 5.3 mi | 1 ZIP code |
| Walnut Illinois ZIP codes | 6.1 mi | 1 ZIP code |
| New Bedford Illinois ZIP codes | 7.0 mi | 1 ZIP code |
| Harmon Illinois ZIP codes | 10 mi | 1 ZIP code |
| Manlius Illinois ZIP codes | 11 mi | 1 ZIP code |
| Rock Falls Illinois ZIP codes | 11 mi | 1 ZIP code |
| Ohio Illinois ZIP codes | 12 mi | 1 ZIP code |
| Sterling Illinois ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.