Walnut Hill Illinois ZIP Codes
Walnut Hill holds a single ZIP code.
Every ZIP code in Walnut Hill
| ZIP code | County |
|---|---|
| 62893 | Marion 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Walnut Hill codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Walnut Hill. 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 Walnut Hill ZIP code begins 628. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 90 ZIP codes, so Walnut Hill accounts for 1% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Walnut Hill
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 Walnut Hill occupies.
Walnut Hill Illinois area codes in full →
Where Walnut Hill's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Walnut Hill
| City | Distance | ZIP codes |
|---|---|---|
| Centralia Illinois ZIP codes | 5.3 mi | 1 ZIP code |
| Dix Illinois ZIP codes | 5.8 mi | 1 ZIP code |
| Irvington Illinois ZIP codes | 6.8 mi | 1 ZIP code |
| Kell Illinois ZIP codes | 7.8 mi | 1 ZIP code |
| Odin Illinois ZIP codes | 9.5 mi | 1 ZIP code |
| Sandoval Illinois ZIP codes | 10 mi | 1 ZIP code |
| Richview Illinois ZIP codes | 10 mi | 1 ZIP code |
| Woodlawn Illinois ZIP codes | 10 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.