Lewistown Illinois ZIP Codes

Lewistown holds a single ZIP code.

Every ZIP code in Lewistown

The complete list of Lewistown, Illinois ZIP codes with the county each falls in.
ZIP codeCounty
61542Fulton 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Lewistown codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Lewistown. 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 Lewistown 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 Lewistown accounts for 2% of it.

Every Illinois ZIP prefix and the region it covers →

Area codes covering Lewistown

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 Lewistown occupies.

Lewistown Illinois area codes in full →

Where Lewistown's ZIP codes sit

Each point is one Lewistown ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Lewistown

The closest places to Lewistown with their own ZIP code list, nearest first.
CityDistanceZIP codes
Bryant Illinois ZIP codes5.7 mi1 ZIP code
Cuba Illinois ZIP codes7.0 mi1 ZIP code
Liverpool Illinois ZIP codes8.1 mi1 ZIP code
Havana Illinois ZIP codes8.7 mi1 ZIP code
Smithfield Illinois ZIP codes9.1 mi1 ZIP code
Dunfermline Illinois ZIP codes9.2 mi1 ZIP code
Ipava Illinois ZIP codes9.4 mi1 ZIP code
Topeka Illinois ZIP codes13 mi1 ZIP code

Straight-line distance between place reference points, not driving distance.