Postal reference / United States

60441Lockport, Illinois

ZIP code 60441 is a United States postal code for Lockport, Illinois. Its county association is Will County. The map reference point is at 41.593, -88.0507.

State / territory
Illinois
Recorded place name
Lockport
County association
Will
Estimated coordinate
41.593, -88.0507
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ZIP prefix
604 · 83 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
28.146 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
60446RomeovilleILWill3.4
60403Crest HillILWill3.6
60432JolietILWill3.8
60491Homer GlenILWill4.7
60434JolietILWill5.0
60435JolietILWill5.3
60433JolietILWill5.6
60440BolingbrookILWill7.5

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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