Chester Illinois ZIP Codes
Chester holds a single ZIP code.
Every ZIP code in Chester
| ZIP code | County |
|---|---|
| 62233 | Randolph 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Chester codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Chester. 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 Chester ZIP code begins 622. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 79 ZIP codes, so Chester accounts for 1% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Chester
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 Chester occupies.
Chester Illinois area codes in full →
Where Chester's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Chester
| City | Distance | ZIP codes |
|---|---|---|
| Ellis Grove Illinois ZIP codes | 7.4 mi | 1 ZIP code |
| Rockwood Illinois ZIP codes | 9.6 mi | 1 ZIP code |
| Steeleville Illinois ZIP codes | 11 mi | 1 ZIP code |
| Evansville Illinois ZIP codes | 13 mi | 1 ZIP code |
| Percy Illinois ZIP codes | 13 mi | 1 ZIP code |
| Willisville Illinois ZIP codes | 14 mi | 1 ZIP code |
| Campbell Hill Illinois ZIP codes | 15 mi | 1 ZIP code |
| Sparta Illinois ZIP codes | 16 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.