Topeka Illinois ZIP Codes
Topeka holds a single ZIP code.
Every ZIP code in Topeka
| ZIP code | County |
|---|---|
| 61567 | Mason 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Topeka codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Topeka. 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 Topeka ZIP code begins 615. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 48 ZIP codes, so Topeka accounts for 2% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Topeka
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 Topeka occupies.
Topeka Illinois area codes in full →
Where Topeka's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Topeka
| City | Distance | ZIP codes |
|---|---|---|
| Liverpool Illinois ZIP codes | 5.6 mi | 1 ZIP code |
| Forest City Illinois ZIP codes | 5.9 mi | 1 ZIP code |
| Havana Illinois ZIP codes | 7.1 mi | 1 ZIP code |
| Easton Illinois ZIP codes | 8.3 mi | 1 ZIP code |
| Manito Illinois ZIP codes | 10 mi | 1 ZIP code |
| Dunfermline Illinois ZIP codes | 12 mi | 1 ZIP code |
| Lewistown Illinois ZIP codes | 13 mi | 1 ZIP code |
| Bryant Illinois ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.