Tonica Illinois ZIP Codes
Tonica holds a single ZIP code.
Every ZIP code in Tonica
| ZIP code | County |
|---|---|
| 61370 | LaSalle 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Tonica codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Tonica. 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 Tonica ZIP code begins 613. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 62 ZIP codes, so Tonica accounts for 2% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Tonica
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 Tonica occupies.
Tonica Illinois area codes in full →
Where Tonica's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Tonica
| City | Distance | ZIP codes |
|---|---|---|
| Cedar Point Illinois ZIP codes | 4.5 mi | 1 ZIP code |
| Leonore Illinois ZIP codes | 4.9 mi | 1 ZIP code |
| Oglesby Illinois ZIP codes | 5.3 mi | 1 ZIP code |
| Lostant Illinois ZIP codes | 6.3 mi | 1 ZIP code |
| Standard Illinois ZIP codes | 6.4 mi | 1 ZIP code |
| Granville Illinois ZIP codes | 9.0 mi | 1 ZIP code |
| Spring Valley Illinois ZIP codes | 9.5 mi | 1 ZIP code |
| Magnolia Illinois ZIP codes | 9.6 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.